{"id":"CVE-2011-2054","aliases":["EUVD-2011-2048","GHSA-8w62-hmc9-cq72","openSUSE-SU-2024:10046-1"],"status":"published","title":"Cisco ASA Secondary Authentication Bypass Vulnerability","description":"A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00858,"percentile":0.58765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2020-02-19T03:05:13Z","modified":"2026-06-16T23:30:37Z","fixes":[{"ecosystem":"openSUSE:Tumbleweed","package":"libsoup","fixed_in":["2.56.0-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"libsoup","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.56.0-1.1"}]}]}],"products":[{"vendor":"cisco","product":"asa_5500_firmware"},{"vendor":"cisco","product":"asa_5510_firmware"},{"vendor":"cisco","product":"asa_5512-x_firmware"},{"vendor":"cisco","product":"asa_5515-x_firmware"},{"vendor":"cisco","product":"asa_5520_firmware"},{"vendor":"cisco","product":"asa_5525-x_firmware"},{"vendor":"cisco","product":"asa_5540_firmware"},{"vendor":"cisco","product":"asa_5545-x_firmware"},{"vendor":"cisco","product":"asa_5550_firmware"},{"vendor":"cisco","product":"asa_5555-x_firmware"},{"vendor":"cisco","product":"asa_5580_firmware"},{"vendor":"cisco","product":"asa_5585-x_firmware"},{"vendor":"cisco","product":"cisco asa"}],"references":[{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2054"},{"url":"https://github.com/advisories/GHSA-8w62-hmc9-cq72"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2011-2054","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2011-2054","title":"Cisco ASA Secondary Authentication Bypass Vulnerability","description":"A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.","status":"published","published":"2020-02-19T03:05:13.966Z","modified":"2024-11-15T17:41:33.434Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:36.968002Z"}],"euvd":[{"id":"EUVD-2011-2048","description":"A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.","status":"published","published":"2020-02-19T03:05:13Z","modified":"2024-11-15T17:41:33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:58.605338Z"}],"ghsa":[{"id":"GHSA-8w62-hmc9-cq72","title":"A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate...","description":"A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.","status":"published","published":"2022-04-22T00:24:27Z","modified":"2023-01-27T05:01:57Z","updated_at":"2026-11-02T14:41:59.85242Z"}],"nvd":[{"id":"CVE-2011-2054","description":"A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.","status":"published","published":"2020-02-19T03:15:10.277Z","modified":"2026-06-16T23:30:37.91Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:12.945371Z"}],"osv":[{"id":"openSUSE-SU-2024:10046-1","title":"libsoup-2_4-1-2.56.0-1.1 on GA media","description":"These are all security issues fixed in the libsoup-2_4-1-2.56.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:53:37.508259Z","updated_at":"2026-11-02T16:58:33.135986Z"}]}}