CVE-2011-4197

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pfsense:pfsense:*:*:*:*:*:*:*:*", "matchCriteriaId": "B2B94DE8-E8F3-4534-93E3-1C5F93F19E1B", "versionEndIncluding": "2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:pfsense:pfsense:1.0.x:*:*:*:*:*:*:*", "matchCriteriaId": "1882D857-FF4A-4A5E-971D-2DC67B13FC1A", "vulnerable": true}, {"criteria": "cpe:2.3:a:pfsense:pfsense:1.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "91B2C820-8BE9-48D0-848F-A6C6C7D8094A", "vulnerable": true}, {"criteria": "cpe:2.3:a:pfsense:pfsense:1.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "AA3FBF3F-BE16-48DC-AA01-F9BB2DEED01E", "vulnerable": true}, {"criteria": "cpe:2.3:a:pfsense:pfsense:1.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "A52BDC92-9630-46EB-8162-484D6DA1868B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key."}, {"lang": "es", "value": "etc/inc/certs.inc en la implementaci\u00f3n de PKI pfSense antes de v2.0.1, crea cada certificado X.509 con un valor verdadero para la restricci\u00f3n b\u00e1sica de CA, lo que permite a atacantes remotos crear sub-certificados para temas de su elecci\u00f3n aprovechando la clave privada."}], "id": "CVE-2011-4197", "lastModified": "2026-06-16T23:34:34.497", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-01-03T19:55:03.560", "references": [{"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/46780"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/77982"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/51169"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"}, {"source": "cve@mitre.org", "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"}, {"source": "cve@mitre.org", "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"}, {"source": "cve@mitre.org", "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/46780"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/77982"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/51169"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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