{"id":"CVE-2025-66200","state":"PUBLISHED","title":"Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo","description":"mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid.\n\nThis issue affects Apache HTTP Server: from 2.4.7 through 2.4.65.\n\nUsers are recommended to upgrade to version 2.4.66, which fixes the issue.","publishedAt":"2025-12-05T11:02:25.722Z","updatedAt":"2025-12-05T17:38:36.682Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","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":"2.4.7","status":"affected","lessThanOrEqual":"2.4.65","versionType":"semver"}]}],"references":["https://httpd.apache.org/security/vulnerabilities_24.html","http://www.openwall.com/lists/oss-security/2025/12/04/8"],"weaknesses":["CWE-288"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/66xxx/CVE-2025-66200.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-66200","state":"PUBLISHED","datePublished":"2025-12-05T11:02:25.722Z","dateUpdated":"2025-12-05T17:38:36.682Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2025-11-24T15:58:10.254Z"},"containers":{"cna":{"title":"Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo","descriptions":[{"lang":"en","value":"mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid.\n\nThis issue affects Apache HTTP Server: from 2.4.7 through 2.4.65.\n\nUsers are recommended to upgrade to version 2.4.66, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache HTTP Server","defaultStatus":"unaffected","versions":[{"version":"2.4.7","status":"affected","lessThanOrEqual":"2.4.65","versionType":"semver"}]}],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"description":"mod_userdir+suexec bypass via AllowOverride FileInfo","lang":"en"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2025-12-05T11:02:47.553Z"},"credits":[{"lang":"en","type":"finder","value":"Mattias Åsander (Umeå University)"}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2025-11-19T12:00:00.000Z","value":"reported"},{"lang":"en","time":"2025-12-01T12:00:00.000Z","value":"fixed in 2.4.x by r1930168"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2025/12/04/8"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-12-05T11:06:04.039Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-12-05T17:38:10.452304Z","id":"CVE-2025-66200","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-288","type":"CWE","lang":"en","description":"CWE-288 Authentication Bypass Using an Alternate Path or Channel"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-05T17:38:36.682Z"}}]}}}