{"id":"CVE-2011-1901","aliases":["EUVD-2011-1899","GHSA-9v8c-75h5-qqr6"],"status":"published","title":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and...","description":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3, 5.5.4, 5.5.5, 6.0.2, 6.1.1, and 6.2.0 allows remote attackers to bypass authentication via unspecified vectors.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01959,"percentile":0.80445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2011-05-05T14:00:00Z","modified":"2026-06-16T23:30:20Z","products":[{"vendor":"proofpoint","product":"messaging_security_gateway"},{"vendor":"proofpoint","product":"protection_server"}],"references":[{"url":"https://support.proofpoint.com/article.cgi?article_id=338413","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/790980","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.clearskies.net/documents/css-advisory-css1105-proofpoint.php","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1901"},{"url":"https://github.com/advisories/GHSA-9v8c-75h5-qqr6"}],"sources":{"cve":[{"id":"CVE-2011-1901","description":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3, 5.5.4, 5.5.5, 6.0.2, 6.1.1, and 6.2.0 allows remote attackers to bypass authentication via unspecified vectors.","status":"published","published":"2011-05-05T14:00:00Z","modified":"2024-09-17T01:01:08.344Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1899","description":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3, 5.5.4, 5.5.5, 6.0.2, 6.1.1, and 6.2.0 allows remote attackers to bypass authentication via unspecified vectors.","status":"published","published":"2011-05-05T14:00:00Z","modified":"2024-09-17T01:01:08Z","updated_at":"2026-11-03T00:28:53.686001Z"}],"ghsa":[{"id":"GHSA-9v8c-75h5-qqr6","title":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and...","description":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3, 5.5.4, 5.5.5, 6.0.2, 6.1.1, and 6.2.0 allows remote attackers to bypass authentication via unspecified vectors.","status":"published","published":"2022-05-17T05:41:13Z","modified":"2023-01-28T05:04:14Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:44:08.177015Z"}],"nvd":[{"id":"CVE-2011-1901","description":"The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3, 5.5.4, 5.5.5, 6.0.2, 6.1.1, and 6.2.0 allows remote attackers to bypass authentication via unspecified vectors.","status":"published","published":"2011-05-05T14:55:03.183Z","modified":"2026-06-16T23:30:20.33Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}