{"id":"CVE-2011-3271","aliases":["EUVD-2011-3235","GHSA-pcxh-cf4j-89xg"],"status":"published","title":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows...","description":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.10757,"percentile":0.95859,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2011-10-03T23:00:00Z","modified":"2026-06-16T23:33:00Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4f.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=24115","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3271"},{"url":"https://github.com/advisories/GHSA-pcxh-cf4j-89xg"}],"sources":{"cve":[{"id":"CVE-2011-3271","description":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.","status":"published","published":"2011-10-03T23:00:00Z","modified":"2024-09-16T23:25:55.041Z","updated_at":"2026-11-02T14:35:36.968002Z"}],"euvd":[{"id":"EUVD-2011-3235","description":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.","status":"published","published":"2011-10-03T23:00:00Z","modified":"2024-09-16T23:25:55Z","updated_at":"2026-11-03T00:54:50.852699Z"}],"ghsa":[{"id":"GHSA-pcxh-cf4j-89xg","title":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows...","description":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.","status":"published","published":"2022-05-17T05:30:26Z","modified":"2023-01-28T05:04:03Z","updated_at":"2026-11-02T14:44:05.920704Z"}],"nvd":[{"id":"CVE-2011-3271","description":"Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.","status":"published","published":"2011-10-03T23:55:03.593Z","modified":"2026-06-16T23:33:00.4Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:09.988332Z"}]}}