{"id":"CVE-2014-3343","aliases":["EUVD-2014-3356","GHSA-r38f-6v34-qc3q"],"status":"published","title":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a...","description":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.022,"percentile":0.82644,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2014-09-10T10:00:00Z","modified":"2026-06-17T00:08:01Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=35651","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/60122","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3343","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1030816","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/69667","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/95781","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-3343"},{"url":"https://github.com/advisories/GHSA-r38f-6v34-qc3q"}],"sources":{"cve":[{"id":"CVE-2014-3343","description":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.","status":"published","published":"2014-09-10T10:00:00Z","modified":"2024-08-06T10:43:05.147Z","updated_at":"2026-11-02T14:33:44.23164Z"}],"euvd":[{"id":"EUVD-2014-3356","description":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.","status":"published","published":"2014-09-10T10:00:00Z","modified":"2024-08-06T10:43:05Z","updated_at":"2026-11-03T01:57:11.29077Z"}],"ghsa":[{"id":"GHSA-r38f-6v34-qc3q","title":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a...","description":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.","status":"published","published":"2022-05-17T01:25:00Z","modified":"2023-02-03T05:04:03Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:28.881715Z"}],"nvd":[{"id":"CVE-2014-3343","description":"Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.","status":"published","published":"2014-09-10T10:55:07.833Z","modified":"2026-06-17T00:08:01.273Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:55.540337Z"}]}}