{"id":"CVE-2011-3295","aliases":["EUVD-2011-3259","GHSA-97q3-6fvf-c4mg"],"status":"published","title":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing...","description":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.","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":0.01779,"percentile":0.78385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2012-05-02T10:00:00Z","modified":"2026-06-16T23:33:02Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://www.securitytracker.com/id?1027005","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www-europe.cisco.com/cisco/software/release.html?mdfid=279879106\u0026reltype=all\u0026relind=AVAILABLE\u0026release=3.9.2\u0026softwareid=280867577\u0026sortparam=7","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securitytracker.com/id?1027006","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3295"},{"url":"https://github.com/advisories/GHSA-97q3-6fvf-c4mg"}],"sources":{"cve":[{"id":"CVE-2011-3295","description":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.","status":"published","published":"2012-05-02T10:00:00Z","modified":"2024-08-06T23:29:56.765Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3259","description":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.","status":"published","published":"2012-05-02T10:00:00Z","modified":"2024-08-06T23:29:56Z","updated_at":"2026-11-03T01:39:52.044449Z"}],"ghsa":[{"id":"GHSA-97q3-6fvf-c4mg","title":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing...","description":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.","status":"published","published":"2022-05-17T05:19:48Z","modified":"2023-01-28T05:03:46Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:02.530855Z"}],"nvd":[{"id":"CVE-2011-3295","description":"The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.","status":"published","published":"2012-05-02T10:09:21.473Z","modified":"2026-06-16T23:33:02.553Z","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-20"],"updated_at":"2026-11-02T14:02:12.272092Z"}]}}