{"id":"CVE-2024-47252","state":"PUBLISHED","title":"Apache HTTP Server: mod_ssl error log variable escaping","description":"Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations.\n\nIn a logging configuration where CustomLog is used with \"%{varname}x\" or \"%{varname}c\" to log variables provided by mod_ssl such as SSL_TLS_SNI, no escaping is performed by either mod_log_config or mod_ssl and unsanitized data provided by the client may appear in log files.","publishedAt":"2025-07-10T16:55:20.013Z","updatedAt":"2025-11-04T21:08:59.176Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache HTTP Server"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache HTTP Server","defaultStatus":"unaffected","versions":[{"version":"2.4","status":"affected","lessThanOrEqual":"2.4.63","versionType":"semver"}]}],"references":["https://httpd.apache.org/security/vulnerabilities_24.html","https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html","http://www.openwall.com/lists/oss-security/2025/07/10/2","http://www.openwall.com/lists/oss-security/2025/07/10/6"],"weaknesses":["CWE-150"],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47252.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47252","state":"PUBLISHED","datePublished":"2025-07-10T16:55:20.013Z","dateUpdated":"2025-11-04T21:08:59.176Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2024-09-23T15:25:33.808Z"},"containers":{"cna":{"title":"Apache HTTP Server: mod_ssl error log variable escaping","descriptions":[{"lang":"en","value":"Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations.\n\nIn a logging configuration where CustomLog is used with \"%{varname}x\" or \"%{varname}c\" to log variables provided by mod_ssl such as SSL_TLS_SNI, no escaping is performed by either mod_log_config or mod_ssl and unsanitized data provided by the client may appear in log files."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache HTTP Server","defaultStatus":"unaffected","versions":[{"version":"2.4","status":"affected","lessThanOrEqual":"2.4.63","versionType":"semver"}]}],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-150","description":"CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2025-07-10T16:55:20.013Z"},"credits":[{"lang":"en","type":"finder","value":"John Runyon"}],"source":{"discovery":"EXTERNAL"},"timeline":[{"lang":"en","time":"2024-09-18T15:26:00.000Z","value":"reported"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-07-11T16:06:33.872531Z","id":"CVE-2024-47252","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-15T19:56:38.784Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html"},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/2"},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/6"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T21:08:59.176Z"}}]}}}