{"id":"CVE-2011-0943","aliases":["EUVD-2011-0955","GHSA-ffvc-g9gh-g33r"],"status":"published","title":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO...","description":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.","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":0.01205,"percentile":0.68508,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-05-31T20:00:00Z","modified":"2026-06-16T23:28:20Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18e.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0943"},{"url":"https://github.com/advisories/GHSA-ffvc-g9gh-g33r"}],"sources":{"cve":[{"id":"CVE-2011-0943","description":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-09-16T20:11:25.922Z","updated_at":"2026-11-02T14:35:39.447402Z"}],"euvd":[{"id":"EUVD-2011-0955","description":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-09-16T20:11:25Z","updated_at":"2026-11-03T00:55:16.297064Z"}],"ghsa":[{"id":"GHSA-ffvc-g9gh-g33r","title":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO...","description":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.","status":"published","published":"2022-05-17T05:40:16Z","modified":"2023-01-28T05:04:30Z","updated_at":"2026-11-02T14:44:11.36375Z"}],"nvd":[{"id":"CVE-2011-0943","description":"Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.","status":"published","published":"2011-05-31T20:55:01.843Z","modified":"2026-06-16T23:28:20.06Z","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":"2026-11-02T14:02:08.47516Z"}]}}