{"api_version":"1","generated_at":"2026-04-22T23:53:32+00:00","cve":"CVE-2023-24021","urls":{"html":"https://cve.report/CVE-2023-24021","api":"https://cve.report/api/cve/CVE-2023-24021.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-24021","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-24021"},"summary":{"title":"CVE-2023-24021","description":"Incorrect handling of '\\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2023-01-20 19:15:00","updated_at":"2023-11-07 04:08:00"},"problem_types":["NVD-CWE-Other"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/","name":"FEDORA-2023-bc61f7a145","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 38 Update: mod_security-2.9.7-1.fc38 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/","name":"FEDORA-2023-09f0496e60","refsource":"","tags":[],"title":"[SECURITY] Fedora 37 Update: mod_security-2.9.7-1.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/","name":"FEDORA-2023-09f0496e60","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 37 Update: mod_security-2.9.7-1.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/SpiderLabs/ModSecurity/pull/2857","name":"https://github.com/SpiderLabs/ModSecurity/pull/2857","refsource":"MISC","tags":[],"title":"Fix: FILES_TMP_CONTENT may sometimes lack complete content by martinhsv · Pull Request #2857 · SpiderLabs/ModSecurity · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/","name":"FEDORA-2023-bc61f7a145","refsource":"","tags":[],"title":"[SECURITY] Fedora 38 Update: mod_security-2.9.7-1.fc38 - 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/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/","name":"FEDORA-2023-8aa264d5c5","refsource":"","tags":[],"title":"[SECURITY] Fedora 36 Update: mod_security-2.9.7-1.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html","name":"[debian-lts-announce] 20230126 [SECURITY] [DLA 3283-1] modsecurity-apache security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3283-1] modsecurity-apache security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/","name":"FEDORA-2023-8aa264d5c5","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 36 Update: mod_security-2.9.7-1.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334","name":"https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334","refsource":"MISC","tags":[],"title":"Fix: FILES_TMP_CONTENT may sometimes lack complete content by martinhsv · Pull Request #2857 · SpiderLabs/ModSecurity · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7","name":"https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7","refsource":"MISC","tags":[],"title":"Release v2.9.7 · SpiderLabs/ModSecurity · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-24021","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24021","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"24021","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":"2023","cve_id":"24021","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"trustwave","cpe5":"modsecurity","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-24021","qid":"181504","title":"Debian Security Update for modsecurity-apache (DLA 3283-1)"},{"cve":"CVE-2023-24021","qid":"182314","title":"Debian Security Update for modsecurity-apache (CVE-2023-24021)"},{"cve":"CVE-2023-24021","qid":"199752","title":"Ubuntu Security Notification for ModSecurity Vulnerabilities (USN-6370-1)"},{"cve":"CVE-2023-24021","qid":"241954","title":"Red Hat Update for JBoss Core Services (RHSA-2023:4629)"},{"cve":"CVE-2023-24021","qid":"283914","title":"Fedora Security Update for mod_security (FEDORA-2023-8aa264d5c5)"},{"cve":"CVE-2023-24021","qid":"283915","title":"Fedora Security Update for mod_security (FEDORA-2023-09f0496e60)"},{"cve":"CVE-2023-24021","qid":"284175","title":"Fedora Security Update for mod_security (FEDORA-2023-bc61f7a145)"},{"cve":"CVE-2023-24021","qid":"296100","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 58.144.3 Missing (CPUAPR2023)"},{"cve":"CVE-2023-24021","qid":"355544","title":"Amazon Linux Security Advisory for mod_security : ALAS2-2023-2098"},{"cve":"CVE-2023-24021","qid":"672871","title":"EulerOS Security Update for mod_security (EulerOS-SA-2023-1601)"},{"cve":"CVE-2023-24021","qid":"673115","title":"EulerOS Security Update for mod_security (EulerOS-SA-2023-2160)"},{"cve":"CVE-2023-24021","qid":"753705","title":"SUSE Enterprise Linux Security Update for apache2-mod_security2 (SUSE-SU-2023:0431-1)"},{"cve":"CVE-2023-24021","qid":"753717","title":"SUSE Enterprise Linux Security Update for apache2-mod_security2 (SUSE-SU-2023:0447-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2023-24021","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":"Incorrect handling of '\\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7","refsource":"MISC","name":"https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7"},{"url":"https://github.com/SpiderLabs/ModSecurity/pull/2857","refsource":"MISC","name":"https://github.com/SpiderLabs/ModSecurity/pull/2857"},{"url":"https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334","refsource":"MISC","name":"https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334"},{"refsource":"MLIST","name":"[debian-lts-announce] 20230126 [SECURITY] [DLA 3283-1] modsecurity-apache security update","url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html"},{"refsource":"FEDORA","name":"FEDORA-2023-8aa264d5c5","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/"},{"refsource":"FEDORA","name":"FEDORA-2023-09f0496e60","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/"},{"refsource":"FEDORA","name":"FEDORA-2023-bc61f7a145","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/"}]}},"nvd":{"publishedDate":"2023-01-20 19:15:00","lastModifiedDate":"2023-11-07 04:08:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:*","versionEndExcluding":"2.9.7","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}