{"id":"CVE-2012-5787","aliases":["EUVD-2012-5667","GHSA-4276-4w95-82xg"],"status":"published","title":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the...","description":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field 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":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00911,"percentile":0.60256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2012-11-04T22:00:00Z","modified":"2026-06-16T23:47:20Z","products":[{"vendor":"paypal","product":"merchant_sdk"}],"references":[{"url":"http://www.securityfocus.com/bid/56445","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/79913","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/51184","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://github.com/paypal/SDKs/commit/5f2d6dd77fb4211dcde34e36f1864234526c5d64","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5787"},{"url":"https://github.com/advisories/GHSA-4276-4w95-82xg"}],"sources":{"cve":[{"id":"CVE-2012-5787","description":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2012-11-04T22:00:00Z","modified":"2024-08-06T21:14:16.436Z","updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-5667","description":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2012-11-04T22:00:00Z","modified":"2024-08-06T21:14:16Z","updated_at":"2026-11-03T01:56:04.024018Z"}],"ghsa":[{"id":"GHSA-4276-4w95-82xg","title":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the...","description":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2022-05-17T01:38:56Z","modified":"2023-02-03T05:04:44Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:37.258179Z"}],"nvd":[{"id":"CVE-2012-5787","description":"The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2012-11-04T22:55:03.497Z","modified":"2026-06-16T23:47:20.303Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:16.536025Z"}]}}