{"id":"CVE-2015-6999","aliases":["EUVD-2015-6931","GHSA-rp24-47cm-wf2p"],"status":"published","title":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows...","description":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01207,"percentile":0.68557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-254"],"published":"2015-10-23T10:00:00Z","modified":"2026-06-17T00:31:44Z","products":[{"vendor":"apple","product":"iphone_os"}],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT205370","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1033929","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/77268","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6999"},{"url":"https://github.com/advisories/GHSA-rp24-47cm-wf2p"}],"sources":{"cve":[{"id":"CVE-2015-6999","description":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.","status":"published","published":"2015-10-23T10:00:00Z","modified":"2024-08-06T07:36:35.181Z","updated_at":"2026-11-02T14:35:42.680858Z"}],"euvd":[{"id":"EUVD-2015-6931","description":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.","status":"published","published":"2015-10-23T10:00:00Z","modified":"2024-08-06T07:36:35Z","updated_at":"2026-11-03T02:21:54.34629Z"}],"ghsa":[{"id":"GHSA-rp24-47cm-wf2p","title":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows...","description":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.","status":"published","published":"2022-05-17T03:15:41Z","modified":"2023-01-27T05:07:45Z","updated_at":"2026-11-02T14:43:11.35995Z"}],"nvd":[{"id":"CVE-2015-6999","description":"The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate.","status":"published","published":"2015-10-23T10:59:08.413Z","modified":"2026-06-17T00:31:44.147Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-254"],"updated_at":"2026-11-02T14:03:12.30866Z"}]}}