{"id":"CVE-2015-3996","aliases":["EUVD-2015-4026","GHSA-v7j2-r9pg-jmfv"],"status":"published","title":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the...","description":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00838,"percentile":0.58039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-254"],"published":"2015-10-27T16:00:00Z","modified":"2026-06-17T00:26:36Z","products":[{"vendor":"afnetworking_project","product":"afnetworking"}],"references":[{"url":"https://github.com/AFNetworking/AFNetworking/issues/2619","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://owncloud.org/security/advisory/?id=oc-sa-2015-012","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/76242","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3996"},{"url":"https://github.com/advisories/GHSA-v7j2-r9pg-jmfv"}],"sources":{"cve":[{"id":"CVE-2015-3996","description":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2015-10-27T16:00:00Z","modified":"2024-08-06T06:04:02.823Z","updated_at":"2026-11-02T14:35:42.331636Z"}],"euvd":[{"id":"EUVD-2015-4026","description":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2015-10-27T16:00:00Z","modified":"2024-08-06T06:04:02Z","updated_at":"2026-11-03T02:22:05.665475Z"}],"ghsa":[{"id":"GHSA-v7j2-r9pg-jmfv","title":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the...","description":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2022-05-17T04:03:58Z","modified":"2023-01-28T05:01:00Z","updated_at":"2026-11-02T14:43:27.872556Z"}],"nvd":[{"id":"CVE-2015-3996","description":"The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2015-10-27T16:59:00.1Z","modified":"2026-06-17T00:26:36.227Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-254"],"updated_at":"2026-11-02T14:03:12.30866Z"}]}}