CVE-2013-1213

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-05-29 · updated 2026-06-16
Weakness: CWE-399

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.

Affected products

Cisco Nexus 1000V: all versions
Cisco NX-OS: all versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1213
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1213

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