{"id":"CVE-2012-1821","aliases":["EUVD-2012-1831","GHSA-3wf6-phm6-xcr4"],"status":"published","title":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection ...","description":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02838,"percentile":0.86744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-05-24T00:00:00Z","modified":"2026-06-16T23:40:22Z","products":[{"vendor":"symantec","product":"endpoint_protection"}],"references":[{"url":"http://osvdb.org/82147","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/149070","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"]},{"url":"http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory\u0026pvid=security_advisory\u0026year=2012\u0026suid=20120522_00","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1027092","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://secunia.com/advisories/49221","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/50358","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1821"},{"url":"https://github.com/advisories/GHSA-3wf6-phm6-xcr4"}],"sources":{"cve":[{"id":"CVE-2012-1821","description":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.","status":"published","published":"2012-05-24T00:00:00Z","modified":"2024-08-06T19:08:38.505Z","updated_at":"2026-11-02T14:34:52.27879Z"}],"euvd":[{"id":"EUVD-2012-1831","description":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.","status":"published","published":"2012-05-24T00:00:00Z","modified":"2024-08-06T19:08:38Z","updated_at":"2026-11-03T01:56:16.423783Z"}],"ghsa":[{"id":"GHSA-3wf6-phm6-xcr4","title":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection ...","description":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.","status":"published","published":"2022-05-14T04:00:10Z","modified":"2023-02-03T05:01:02Z","updated_at":"2026-11-02T14:52:53.87765Z"}],"nvd":[{"id":"CVE-2012-1821","description":"The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.","status":"published","published":"2012-05-24T00:55:02.727Z","modified":"2026-06-16T23:40:22.02Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:14.336529Z"}]}}