{"id":"CVE-2011-0944","aliases":["EUVD-2011-0956","GHSA-42wr-4c7w-39f8"],"status":"published","title":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device...","description":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.","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":"2026-11-07","score":0.01785,"percentile":0.78439,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-10-03T23:00:00Z","modified":"2026-06-16T23:28:20Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=24131","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d59.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0944"},{"url":"https://github.com/advisories/GHSA-42wr-4c7w-39f8"}],"sources":{"cve":[{"id":"CVE-2011-0944","description":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.","status":"published","published":"2011-10-03T23:00:00Z","modified":"2024-09-16T17:58:55.266Z","updated_at":"2026-11-02T14:35:39.447402Z"}],"euvd":[{"id":"EUVD-2011-0956","description":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.","status":"published","published":"2011-10-03T23:00:00Z","modified":"2024-09-16T17:58:55Z","updated_at":"2026-11-03T00:55:36.806318Z"}],"ghsa":[{"id":"GHSA-42wr-4c7w-39f8","title":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device...","description":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.","status":"published","published":"2022-05-17T05:29:49Z","modified":"2023-01-28T05:04:20Z","updated_at":"2026-11-02T14:44:09.057427Z"}],"nvd":[{"id":"CVE-2011-0944","description":"Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.","status":"published","published":"2011-10-03T23:55:03.33Z","modified":"2026-06-16T23:28:20.167Z","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-399"],"updated_at":"2026-11-02T14:02:09.988332Z"}]}}