{"id":"CVE-2011-3281","aliases":["EUVD-2011-3245","GHSA-24w7-96v7-q6x3"],"status":"published","title":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application...","description":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.","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":0.01798,"percentile":0.78609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2011-10-03T23:00:00Z","modified":"2026-06-16T23:33:01Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=24124","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3281"},{"url":"https://github.com/advisories/GHSA-24w7-96v7-q6x3"}],"sources":{"cve":[{"id":"CVE-2011-3281","description":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.","status":"published","published":"2011-10-03T23:00:00Z","modified":"2024-09-17T02:51:35.296Z","updated_at":"2026-11-02T14:35:36.968002Z"}],"euvd":[{"id":"EUVD-2011-3245","description":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.","status":"published","published":"2011-10-03T23:00:00Z","modified":"2024-09-17T02:51:35Z","updated_at":"2026-11-03T00:28:36.981601Z"}],"ghsa":[{"id":"GHSA-24w7-96v7-q6x3","title":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application...","description":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.","status":"published","published":"2022-05-17T05:30:27Z","modified":"2023-01-28T05:04:21Z","updated_at":"2026-11-02T14:44:09.057427Z"}],"nvd":[{"id":"CVE-2011-3281","description":"Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.","status":"published","published":"2011-10-03T23:55:03.987Z","modified":"2026-06-16T23:33:01.51Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:09.988332Z"}]}}
