{"api_version":"1","generated_at":"2026-04-23T05:05:04+00:00","cve":"CVE-2015-2721","urls":{"html":"https://cve.report/CVE-2015-2721","api":"https://cve.report/api/cve/CVE-2015-2721.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2015-2721","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2721"},"summary":{"title":"CVE-2015-2721","description":"Mozilla Network Security Services (NSS) before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle attackers to defeat cryptographic protection mechanisms by blocking messages, as demonstrated by removing a forward-secrecy property by blocking a ServerKeyExchange message, aka a \"SMACK SKIP-TLS\" issue.","state":"PUBLIC","assigner":"security@mozilla.org","published_at":"2015-07-06 02:00:00","updated_at":"2023-09-12 14:55:00"},"problem_types":["CWE-310"],"metrics":[],"references":[{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","name":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Oracle Solaris Bulletin - April 2016","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html","name":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Oracle Critical Patch Update Advisory - April 2016","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html","name":"openSUSE-SU-2015:1229","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2015:1229-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://smacktls.com","name":"https://smacktls.com","refsource":"MISC","tags":["Technical Description"],"title":"miTLS - A verified reference implementation of TLS","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.ubuntu.com/usn/USN-2672-1","name":"USN-2672-1","refsource":"UBUNTU","tags":[],"title":"USN-2672-1: NSS vulnerabilities | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html","name":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Oracle Critical Patch Update - July 2016","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.securityfocus.com/bid/91787","name":"91787","refsource":"BID","tags":["Third Party Advisory"],"title":"Oracle July 2016 Critical Patch Update Multiple Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.debian.org/security/2015/dsa-3336","name":"DSA-3336","refsource":"DEBIAN","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-3336-1 nss","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html","name":"SUSE-SU-2015:1268","refsource":"SUSE","tags":["Third Party Advisory"],"title":"[security-announce] SUSE-SU-2015:1268-1: important: Security update for","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.ubuntu.com/usn/USN-2656-2","name":"USN-2656-2","refsource":"UBUNTU","tags":[],"title":"USN-2656-2: Firefox vulnerabilities | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html","name":"openSUSE-SU-2015:1266","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2015:1266-1: important: Mozilla (Firefox","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.ubuntu.com/usn/USN-2673-1","name":"USN-2673-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-2673-1: Thunderbird vulnerabilities | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1032783","name":"1032783","refsource":"SECTRACK","tags":[],"title":"Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, Bypass Security Restrictions, and Gain Elevated Privileges - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","name":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Oracle Solaris Third Party Bulletin - October 2015","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html","name":"SUSE-SU-2015:1269","refsource":"SUSE","tags":["Third Party Advisory"],"title":"[security-announce] SUSE-SU-2015:1269-1: important: Security update for","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/83398","name":"83398","refsource":"BID","tags":[],"title":"Mozilla Network Security Services CVE-2015-2721 Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","name":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Oracle VM Server for x86 Bulletin - July 2016","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1086145","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=1086145","refsource":"CONFIRM","tags":["Exploit","Issue Tracking","VDB Entry","Vendor Advisory"],"title":"1086145 – (CVE-2015-2721) NSS incorrectly permits skipping of ServerKeyExchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/201701-46","name":"GLSA-201701-46","refsource":"GENTOO","tags":[],"title":"Mozilla Network Security Service (NSS): Multiple vulnerabilities (GLSA 201701-46) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.debian.org/security/2015/dsa-3324","name":"DSA-3324","refsource":"DEBIAN","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-3324-1 icedove","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html","name":"SUSE-SU-2015:1449","refsource":"SUSE","tags":[],"title":"[security-announce] SUSE-SU-2015:1449-1: important: Security update for","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.ubuntu.com/usn/USN-2656-1","name":"USN-2656-1","refsource":"UBUNTU","tags":[],"title":"USN-2656-1: Firefox vulnerabilities | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19_release_notes","name":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19_release_notes","refsource":"CONFIRM","tags":["Release Notes"],"title":"NSS 3.19 release notes - Mozilla | MDN","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.mozilla.org/security/announce/2015/mfsa2015-71.html","name":"http://www.mozilla.org/security/announce/2015/mfsa2015-71.html","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"NSS incorrectly permits skipping of ServerKeyExchange — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1185.html","name":"RHSA-2015:1185","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/201512-10","name":"GLSA-201512-10","refsource":"GENTOO","tags":[],"title":"Mozilla Products: Multiple vulnerabilities  (GLSA 201512-10) — Gentoo Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1664.html","name":"RHSA-2015:1664","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1032784","name":"1032784","refsource":"SECTRACK","tags":[],"title":"Mozilla Thunderbird Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Bypass Security Restrictions - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/75541","name":"75541","refsource":"BID","tags":[],"title":"Mozilla Firefox/Thunderbird Multiple Security Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-2721","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2721","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"15.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"15.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"38.1.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"38.1.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.1.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.3.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"38.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.1.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.3.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.5.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"31.7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"38.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"network_security_services","cpe6":"3.19","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"network_security_services","cpe6":"3.19","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"-1","versionEndIncluding":"38.0.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"thunderbird","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"0","versionEndIncluding":"38.0.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"thunderbird","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_desktop","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_desktop","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_server","cpe6":"11","cpe7":"sp4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_server","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_server","cpe6":"11","cpe7":"sp4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_server","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"novell","cpe5":"suse_linux_enterprise_software_development_kit","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_software_development_kit","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"novell","cpe5":"suse_linux_enterprise_software_development_kit","cpe6":"12.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"oracle","cpe5":"solaris","cpe6":"11.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"oracle","cpe5":"solaris","cpe6":"11.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"oracle","cpe5":"vm_server","cpe6":"3.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"oracle","cpe5":"vm_server","cpe6":"3.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2015-2721","qid":"710518","title":"Gentoo Linux Mozilla Network Security Service (NSS) Multiple Vulnerabilities (GLSA 201701-46)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@mozilla.org","ID":"CVE-2015-2721","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Mozilla Network Security Services (NSS) before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle attackers to defeat cryptographic protection mechanisms by blocking messages, as demonstrated by removing a forward-secrecy property by blocking a ServerKeyExchange message, aka a \"SMACK SKIP-TLS\" issue."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","refsource":"CONFIRM","url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"},{"name":"openSUSE-SU-2015:1229","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html"},{"name":"SUSE-SU-2015:1268","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html"},{"name":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19_release_notes","refsource":"CONFIRM","url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19_release_notes"},{"name":"83398","refsource":"BID","url":"http://www.securityfocus.com/bid/83398"},{"name":"GLSA-201512-10","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201512-10"},{"name":"GLSA-201701-46","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201701-46"},{"name":"DSA-3336","refsource":"DEBIAN","url":"http://www.debian.org/security/2015/dsa-3336"},{"name":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html","refsource":"CONFIRM","url":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html"},{"name":"75541","refsource":"BID","url":"http://www.securityfocus.com/bid/75541"},{"name":"RHSA-2015:1185","refsource":"REDHAT","url":"http://rhn.redhat.com/errata/RHSA-2015-1185.html"},{"name":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","refsource":"CONFIRM","url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"},{"name":"DSA-3324","refsource":"DEBIAN","url":"http://www.debian.org/security/2015/dsa-3324"},{"name":"USN-2672-1","refsource":"UBUNTU","url":"http://www.ubuntu.com/usn/USN-2672-1"},{"name":"USN-2673-1","refsource":"UBUNTU","url":"http://www.ubuntu.com/usn/USN-2673-1"},{"name":"1032784","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1032784"},{"name":"https://bugzilla.mozilla.org/show_bug.cgi?id=1086145","refsource":"CONFIRM","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1086145"},{"name":"SUSE-SU-2015:1269","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html"},{"name":"http://www.mozilla.org/security/announce/2015/mfsa2015-71.html","refsource":"CONFIRM","url":"http://www.mozilla.org/security/announce/2015/mfsa2015-71.html"},{"name":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html","refsource":"CONFIRM","url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html"},{"name":"91787","refsource":"BID","url":"http://www.securityfocus.com/bid/91787"},{"name":"openSUSE-SU-2015:1266","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html"},{"name":"RHSA-2015:1664","refsource":"REDHAT","url":"http://rhn.redhat.com/errata/RHSA-2015-1664.html"},{"name":"USN-2656-1","refsource":"UBUNTU","url":"http://www.ubuntu.com/usn/USN-2656-1"},{"name":"SUSE-SU-2015:1449","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html"},{"name":"https://smacktls.com","refsource":"MISC","url":"https://smacktls.com"},{"name":"1032783","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1032783"},{"name":"USN-2656-2","refsource":"UBUNTU","url":"http://www.ubuntu.com/usn/USN-2656-2"},{"name":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","refsource":"CONFIRM","url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"}]}},"nvd":{"publishedDate":"2015-07-06 02:00:00","lastModifiedDate":"2023-09-12 14:55:00","problem_types":["CWE-310"],"metrics":{"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:novell:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:network_security_services:3.19:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","versionEndIncluding":"38.1.0","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.1.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.1.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.2:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.3:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.3.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.4:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.5:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.5.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.5.2:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.5.3:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.6.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:31.7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:38.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionEndIncluding":"38.0.1","cpe_name":[]}]}],"cpe_match":[]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:oracle:vm_server:3.2:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2015","CveId":"2721","Ordinal":"79665","Title":"CVE-2015-2721","CVE":"CVE-2015-2721","Year":"2015"},"notes":[{"CveYear":"2015","CveId":"2721","Ordinal":"1","NoteData":"Mozilla Network Security Services (NSS) before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle attackers to defeat cryptographic protection mechanisms by blocking messages, as demonstrated by removing a forward-secrecy property by blocking a ServerKeyExchange message, aka a \"SMACK SKIP-TLS\" issue.","Type":"Description","Title":null},{"CveYear":"2015","CveId":"2721","Ordinal":"2","NoteData":"2015-07-05","Type":"Other","Title":"Published"},{"CveYear":"2015","CveId":"2721","Ordinal":"3","NoteData":"2018-01-04","Type":"Other","Title":"Modified"}]}}}