{"id":"CVE-2013-1100","aliases":["EUVD-2013-1140","GHSA-j322-mvhj-p6c7"],"status":"published","title":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events,...","description":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.","severity":{"version":"2.0","score":5.4,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01464,"percentile":0.73835,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-02-13T23:00:00Z","modified":"2026-06-16T23:50:50Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1100","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1100"},{"url":"https://github.com/advisories/GHSA-j322-mvhj-p6c7"}],"sources":{"cve":[{"id":"CVE-2013-1100","description":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.","status":"published","published":"2013-02-13T23:00:00Z","modified":"2024-09-16T18:14:13.971Z","updated_at":"2026-11-02T14:34:58.534075Z"}],"euvd":[{"id":"EUVD-2013-1140","description":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.","status":"published","published":"2013-02-13T23:00:00Z","modified":"2024-09-16T18:14:13Z","updated_at":"2026-11-03T00:55:34.393488Z"}],"ghsa":[{"id":"GHSA-j322-mvhj-p6c7","title":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events,...","description":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.","status":"published","published":"2022-05-17T05:15:13Z","modified":"2023-01-28T05:03:25Z","updated_at":"2026-11-02T14:43:58.488407Z"}],"nvd":[{"id":"CVE-2013-1100","description":"The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.","status":"published","published":"2013-02-13T23:55:01.117Z","modified":"2026-06-16T23:50:50.793Z","cvss":[{"version":"2.0","score":5.4,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:21.222658Z"}]}}