{"id":"CVE-2011-1651","aliases":["EUVD-2011-1651","GHSA-cr78-h7qp-5hm4"],"status":"published","title":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor...","description":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.","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":0.0121,"percentile":0.68634,"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":"2026-06-16T23:29:45Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://www.securitytracker.com/id?1025567","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f191.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1651"},{"url":"https://github.com/advisories/GHSA-cr78-h7qp-5hm4"}],"sources":{"cve":[{"id":"CVE-2011-1651","description":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-08-06T22:37:24.519Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1651","description":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-08-06T22:37:24Z","updated_at":"2026-11-03T01:55:55.718493Z"}],"ghsa":[{"id":"GHSA-cr78-h7qp-5hm4","title":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor...","description":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.","status":"published","published":"2022-05-17T05:39:44Z","modified":"2023-01-28T05:04:29Z","updated_at":"2026-11-02T14:44:10.891174Z"}],"nvd":[{"id":"CVE-2011-1651","description":"Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.","status":"published","published":"2011-05-31T20:55:02.89Z","modified":"2026-06-16T23:29:45.007Z","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"}]}}