{"id":"CVE-1999-1582","aliases":["EUVD-1999-1563","GHSA-9q5w-4wqw-v6f6"],"status":"published","title":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host...","description":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.","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":"2026-11-09","score":0.01878,"percentile":0.79582,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1998-07-15T04:00:00Z","modified":"2026-06-16T21:50:46Z","products":[{"vendor":"cisco","product":"pix_firewall"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8052","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/pixest-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/6733","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1582"},{"url":"https://github.com/advisories/GHSA-9q5w-4wqw-v6f6"}],"sources":{"cve":[{"id":"CVE-1999-1582","description":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.","status":"published","published":"2005-04-21T04:00:00Z","modified":"2024-08-01T17:18:07.659Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1563","description":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.","status":"published","published":"2005-04-21T04:00:00Z","modified":"2024-08-01T17:18:07Z","updated_at":"2026-11-03T03:50:41.965248Z"}],"ghsa":[{"id":"GHSA-9q5w-4wqw-v6f6","title":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host...","description":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.","status":"published","published":"2022-04-30T18:12:46Z","modified":"2023-01-30T05:04:49Z","updated_at":"2026-11-02T14:47:07.803331Z"}],"nvd":[{"id":"CVE-1999-1582","description":"By design, the \"established\" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.","status":"published","published":"1998-07-15T04:00:00Z","modified":"2026-06-16T21:50:46.173Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}