{"id":"CVE-2014-3335","aliases":["EUVD-2014-3348","GHSA-5cw5-jwpw-v565"],"status":"published","title":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling...","description":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.","severity":{"version":"2.0","score":4.6,"vector":"AV:A/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01109,"percentile":0.66128,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2014-08-26T10:00:00Z","modified":"2026-06-17T00:08:00Z","products":[{"vendor":"cisco","product":"asr_9000_rsp440_router"},{"vendor":"cisco","product":"asr_9001"},{"vendor":"cisco","product":"asr_9006"},{"vendor":"cisco","product":"asr_9010"},{"vendor":"cisco","product":"asr_9904"},{"vendor":"cisco","product":"asr_9912"},{"vendor":"cisco","product":"asr_9922"},{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/95443","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/69383","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/60222","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3335","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=35416","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1030757","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-3335"},{"url":"https://github.com/advisories/GHSA-5cw5-jwpw-v565"}],"sources":{"cve":[{"id":"CVE-2014-3335","description":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.","status":"published","published":"2014-08-26T10:00:00Z","modified":"2024-08-06T10:43:05.14Z","updated_at":"2026-11-02T14:33:44.23164Z"}],"euvd":[{"id":"EUVD-2014-3348","description":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.","status":"published","published":"2014-08-26T10:00:00Z","modified":"2024-08-06T10:43:05Z","updated_at":"2026-11-03T01:57:11.29077Z"}],"ghsa":[{"id":"GHSA-5cw5-jwpw-v565","title":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling...","description":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.","status":"published","published":"2022-05-17T01:25:01Z","modified":"2023-02-03T05:04:14Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:30.880998Z"}],"nvd":[{"id":"CVE-2014-3335","description":"Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.","status":"published","published":"2014-08-26T10:55:04.573Z","modified":"2026-06-17T00:08:00.447Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:A/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:55.19899Z"}]}}