{"id":"CVE-2013-1213","aliases":["EUVD-2013-1253","GHSA-fwr7-4g5r-h48g"],"status":"published","title":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a...","description":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module (VEM) to a Virtual Supervisor Module (VSM), which allows remote attackers to cause a denial of service (false VEM unavailability report) via a flood of UDP packets, aka Bug ID CSCud14840.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01753,"percentile":0.78054,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-05-29T19:00:00Z","modified":"2026-06-16T23:51:01Z","products":[{"vendor":"cisco","product":"nexus_1000v"},{"vendor":"cisco","product":"nx-os"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1213","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1213"},{"url":"https://github.com/advisories/GHSA-fwr7-4g5r-h48g"}],"sources":{"cve":[{"id":"CVE-2013-1213","description":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module (VEM) to a Virtual Supervisor Module (VSM), which allows remote attackers to cause a denial of service (false VEM unavailability report) via a flood of UDP packets, aka Bug ID CSCud14840.","status":"published","published":"2013-05-29T19:00:00Z","modified":"2024-09-16T22:35:14.243Z","updated_at":"2026-11-02T14:34:58.534075Z"}],"euvd":[{"id":"EUVD-2013-1253","description":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module (VEM) to a Virtual Supervisor Module (VSM), which allows remote attackers to cause a denial of service (false VEM unavailability report) via a flood of UDP packets, aka Bug ID CSCud14840.","status":"published","published":"2013-05-29T19:00:00Z","modified":"2024-09-16T22:35:14Z","updated_at":"2026-11-03T00:55:02.001238Z"}],"ghsa":[{"id":"GHSA-fwr7-4g5r-h48g","title":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a...","description":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module (VEM) to a Virtual Supervisor Module (VSM), which allows remote attackers to cause a denial of service (false VEM unavailability report) via a flood of UDP packets, aka Bug ID CSCud14840.","status":"published","published":"2022-05-17T05:09:11Z","modified":"2023-01-28T05:03:15Z","updated_at":"2026-11-02T14:43:56.576463Z"}],"nvd":[{"id":"CVE-2013-1213","description":"Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module (VEM) to a Virtual Supervisor Module (VSM), which allows remote attackers to cause a denial of service (false VEM unavailability report) via a flood of UDP packets, aka Bug ID CSCud14840.","status":"published","published":"2013-05-29T19:55:01.11Z","modified":"2026-06-16T23:51:01.82Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:29.210317Z"}]}}