{"id":"CVE-2005-4499","aliases":["EUVD-2005-4494","GHSA-8cq5-h2jx-4m9x"],"status":"published","title":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an...","description":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.","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":"2026-11-07","score":0.02593,"percentile":0.85403,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-12-22T11:00:00Z","modified":"2026-06-16T22:18:54Z","products":[{"vendor":"cisco","product":"adaptive_security_appliance_software"},{"vendor":"cisco","product":"pix_asa_ids"},{"vendor":"cisco","product":"pix_firewall"},{"vendor":"cisco","product":"pix_firewall_501"},{"vendor":"cisco","product":"pix_firewall_506"},{"vendor":"cisco","product":"pix_firewall_515"},{"vendor":"cisco","product":"pix_firewall_515e"},{"vendor":"cisco","product":"pix_firewall_520"},{"vendor":"cisco","product":"pix_firewall_525"},{"vendor":"cisco","product":"pix_firewall_535"},{"vendor":"cisco","product":"pix_firewall_software"},{"vendor":"cisco","product":"secure_access_control_server"},{"vendor":"cisco","product":"vpn_3000_concentrator_series_software"},{"vendor":"cisco","product":"vpn_3001_concentrator"},{"vendor":"cisco","product":"vpn_3002_hardware_client"},{"vendor":"cisco","product":"vpn_3005_concentrator_software"},{"vendor":"cisco","product":"vpn_3015_concentrator"},{"vendor":"cisco","product":"vpn_3020_concentrator"},{"vendor":"cisco","product":"vpn_3030_concentator"},{"vendor":"cisco","product":"vpn_3060_concentrator"},{"vendor":"cisco","product":"vpn_3080_concentrator"}],"references":[{"url":"http://www.securityfocus.com/archive/1/420020/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/16025","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/sw/secursw/ps2086/products_field_notice09186a00805bf1c4.shtml","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.osvdb.org/22193","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/420103/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://secunia.com/advisories/18141","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-4499"},{"url":"https://github.com/advisories/GHSA-8cq5-h2jx-4m9x"}],"sources":{"cve":[{"id":"CVE-2005-4499","description":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.","status":"published","published":"2005-12-22T11:00:00Z","modified":"2024-08-07T23:46:05.525Z","updated_at":"2026-11-02T14:33:39.259087Z"}],"euvd":[{"id":"EUVD-2005-4494","description":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.","status":"published","published":"2005-12-22T11:00:00Z","modified":"2024-08-07T23:46:05Z","updated_at":"2026-11-03T01:15:22.378531Z"}],"ghsa":[{"id":"GHSA-8cq5-h2jx-4m9x","title":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an...","description":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.","status":"published","published":"2022-05-01T02:27:42Z","modified":"2023-01-30T05:08:29Z","updated_at":"2026-11-02T14:47:50.107277Z"}],"nvd":[{"id":"CVE-2005-4499","description":"The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.","status":"published","published":"2005-12-22T11:03:00Z","modified":"2026-06-16T22:18:54.66Z","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":"2026-11-02T14:00:58.826417Z"}]}}