{"id":"CVE-2025-27110","state":"PUBLISHED","title":"Libmodsecurity3 has possible bypass of encoded HTML entities","description":"Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web traffic and applying traditional ModSecurity processing. A bug that exists only in Libmodsecurity3 version 3.0.13 means that, in 3.0.13, Libmodsecurity3 can't decode encoded HTML entities if they contains leading zeroes. Version 3.0.14 contains a fix. No known workarounds are available.","publishedAt":"2025-02-25T20:00:44.211Z","updatedAt":"2025-02-26T16:38:15.284Z","severity":{"score":7.9,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["owasp-modsecurity ModSecurity"],"affected":[{"vendor":"owasp-modsecurity","product":"ModSecurity","versions":[{"version":"= 3.0.13","status":"affected"}]}],"references":["https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-42w7-rmv5-4x2j","https://github.com/owasp-modsecurity/ModSecurity/issues/3340"],"weaknesses":["CWE-172"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/27xxx/CVE-2025-27110.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-27110","state":"PUBLISHED","datePublished":"2025-02-25T20:00:44.211Z","dateUpdated":"2025-02-26T16:38:15.284Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-02-18T16:44:48.766Z"},"containers":{"cna":{"title":"Libmodsecurity3 has possible bypass of encoded HTML entities","descriptions":[{"lang":"en","value":"Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web traffic and applying traditional ModSecurity processing. A bug that exists only in Libmodsecurity3 version 3.0.13 means that, in 3.0.13, Libmodsecurity3 can't decode encoded HTML entities if they contains leading zeroes. Version 3.0.14 contains a fix. No known workarounds are available."}],"affected":[{"vendor":"owasp-modsecurity","product":"ModSecurity","versions":[{"version":"= 3.0.13","status":"affected"}]}],"references":[{"url":"https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-42w7-rmv5-4x2j","name":"https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-42w7-rmv5-4x2j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/owasp-modsecurity/ModSecurity/issues/3340","name":"https://github.com/owasp-modsecurity/ModSecurity/issues/3340","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":7.9,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-172","lang":"en","description":"CWE-172: Encoding Error","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-02-25T20:00:44.211Z"},"source":{"advisory":"GHSA-42w7-rmv5-4x2j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-26T16:37:26.215817Z","id":"CVE-2025-27110","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-26T16:38:15.284Z"}}]}}}