{"api_version":"1","generated_at":"2026-04-22T19:49:32+00:00","cve":"CVE-2020-12674","urls":{"html":"https://cve.report/CVE-2020-12674","api":"https://cve.report/api/cve/CVE-2020-12674.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-12674","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-12674"},"summary":{"title":"CVE-2020-12674","description":"In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-08-12 16:15:00","updated_at":"2023-11-07 03:15:00"},"problem_types":["CWE-125"],"metrics":[],"references":[{"url":"https://www.openwall.com/lists/oss-security/2020/08/12/3","name":"https://www.openwall.com/lists/oss-security/2020/08/12/3","refsource":"CONFIRM","tags":["Exploit","Mailing List","Third Party Advisory"],"title":"oss-security - CVE-2020-12674: Dovecot IMAP server: Specially crafted RPA authentication message crashes auth","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/","name":"FEDORA-2020-b8ebc4201e","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 33 Update: dovecot-2.3.11.3-5.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/202009-02","name":"GLSA-202009-02","refsource":"GENTOO","tags":[],"title":"Dovecot: Multiple vulnerabilities (GLSA 202009-02) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html","name":"openSUSE-SU-2020:1262","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:1262-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2020/dsa-4745","name":"DSA-4745","refsource":"DEBIAN","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-4745-1 dovecot","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/","name":"FEDORA-2020-d737c57172","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 32 Update: dovecot-2.3.11.3-5.fc32 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/","name":"FEDORA-2020-b8ebc4201e","refsource":"","tags":[],"title":"[SECURITY] Fedora 33 Update: dovecot-2.3.11.3-5.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html","name":"openSUSE-SU-2020:1241","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:1241-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/","name":"FEDORA-2020-cd8b8f887b","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 31 Update: dovecot-2.3.11.3-4.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/","name":"FEDORA-2020-d737c57172","refsource":"","tags":[],"title":"[SECURITY] Fedora 32 Update: dovecot-2.3.11.3-5.fc32 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4456-1/","name":"USN-4456-1","refsource":"UBUNTU","tags":[],"title":"USN-4456-1: Dovecot vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html","name":"[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update","refsource":"MLIST","tags":["Third Party Advisory"],"title":"[SECURITY] [DLA 2328-1] dovecot security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/","name":"FEDORA-2020-cd8b8f887b","refsource":"","tags":[],"title":"[SECURITY] Fedora 31 Update: dovecot-2.3.11.3-4.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://dovecot.org/security","name":"https://dovecot.org/security","refsource":"MISC","tags":["Vendor Advisory"],"title":"Dovecot | Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4456-2/","name":"USN-4456-2","refsource":"UBUNTU","tags":[],"title":"USN-4456-2: Dovecot vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12674","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12674","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esm","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"20.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"dovecot","cpe5":"dovecot","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"dovecot","cpe5":"dovecot","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"32","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12674","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"33","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-12674","qid":"174719","title":"SUSE Enterprise Linux Security update for dovecot23 (SUSE-SU-2021:0028-1)"},{"cve":"CVE-2020-12674","qid":"376989","title":"Alibaba Cloud Linux Security Update for dovecot (ALINUX2-SA-2020:0114)"},{"cve":"CVE-2020-12674","qid":"377163","title":"Alibaba Cloud Linux Security Update for dovecot (ALINUX3-SA-2022:0115)"},{"cve":"CVE-2020-12674","qid":"500154","title":"Alpine Linux Security Update for dovecot"},{"cve":"CVE-2020-12674","qid":"503804","title":"Alpine Linux Security Update for dovecot"},{"cve":"CVE-2020-12674","qid":"690521","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for mail/dovecot (87a07de1-e55e-4d51-bb64-8d117829a26a)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-12674","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":"In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://dovecot.org/security","refsource":"MISC","name":"https://dovecot.org/security"},{"refsource":"CONFIRM","name":"https://www.openwall.com/lists/oss-security/2020/08/12/3","url":"https://www.openwall.com/lists/oss-security/2020/08/12/3"},{"refsource":"DEBIAN","name":"DSA-4745","url":"https://www.debian.org/security/2020/dsa-4745"},{"refsource":"MLIST","name":"[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"},{"refsource":"UBUNTU","name":"USN-4456-1","url":"https://usn.ubuntu.com/4456-1/"},{"refsource":"UBUNTU","name":"USN-4456-2","url":"https://usn.ubuntu.com/4456-2/"},{"refsource":"SUSE","name":"openSUSE-SU-2020:1241","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html"},{"refsource":"SUSE","name":"openSUSE-SU-2020:1262","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html"},{"refsource":"FEDORA","name":"FEDORA-2020-cd8b8f887b","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/"},{"refsource":"GENTOO","name":"GLSA-202009-02","url":"https://security.gentoo.org/glsa/202009-02"},{"refsource":"FEDORA","name":"FEDORA-2020-b8ebc4201e","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/"},{"refsource":"FEDORA","name":"FEDORA-2020-d737c57172","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/"}]}},"nvd":{"publishedDate":"2020-08-12 16:15:00","lastModifiedDate":"2023-11-07 03:15:00","problem_types":["CWE-125"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"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:a:dovecot:dovecot:*:*:*:*:*:*:*:*","versionEndExcluding":"2.3.11.3","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"12674","Ordinal":"173844","Title":"CVE-2020-12674","CVE":"CVE-2020-12674","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"12674","Ordinal":"1","NoteData":"In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"12674","Ordinal":"2","NoteData":"2020-08-12","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"12674","Ordinal":"3","NoteData":"2020-10-13","Type":"Other","Title":"Modified"}]}}}