{"id":"CVE-2011-3297","aliases":["EUVD-2011-3261","GHSA-q23r-7gwj-52ch"],"status":"published","title":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0...","description":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01388,"percentile":0.72451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2011-10-06T10:00:00Z","modified":"2026-06-16T23:33:02Z","products":[{"vendor":"cisco","product":"catalyst_6500"},{"vendor":"cisco","product":"catalyst_7600"},{"vendor":"cisco","product":"firewall_services_module_software"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/70327","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20111005-fwsm.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3297"},{"url":"https://github.com/advisories/GHSA-q23r-7gwj-52ch"}],"sources":{"cve":[{"id":"CVE-2011-3297","description":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.","status":"published","published":"2011-10-06T10:00:00Z","modified":"2024-08-06T23:29:56.723Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3261","description":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.","status":"published","published":"2011-10-06T10:00:00Z","modified":"2024-08-06T23:29:56Z","updated_at":"2026-11-03T01:39:52.044449Z"}],"ghsa":[{"id":"GHSA-q23r-7gwj-52ch","title":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0...","description":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.","status":"published","published":"2022-05-17T01:53:47Z","modified":"2023-02-03T05:06:06Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:53:50.761362Z"}],"nvd":[{"id":"CVE-2011-3297","description":"Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.","status":"published","published":"2011-10-06T10:55:05.3Z","modified":"2026-06-16T23:33:02.76Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}