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TI-2013-01056 Aliases CVE-2013-1213GHSA-fwr7-4g5r-h48g

Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages…

Priority LOW 26CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01753 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*not specified by NVDVulnerableCisco
cpe:2.3:h:cisco:nexus_1000v:-:*:*:*:*:*:*:*not specified by NVDVulnerableCisco
  • cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
  • cpe:2.3:h:cisco:nexus_1000v:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-1213
  2. 2026-10-03 Alias added: GHSA-fwr7-4g5r-h48g

References

  • TI-2013-01024 Multiple buffer overflows in the Cisco Discovery Protocol (CDP) implementation in Cisco… CVSS 2.0HIGH 8.3
  • TI-2012-00326 Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 4.x and 5.0.x… CVSS 2.0HIGH 7.8
  • TI-2013-04749 The license-installation module on the Cisco Nexus 1000V switch 4.2(1)SV1(5.2b) and… CVSS 2.0MEDIUM 6.8
  • TI-2013-02967 The license-installation module in Cisco NX-OS on Nexus 1000V devices allows local users… CVSS 2.0MEDIUM 6.8
  • TI-2015-00723 The banner (aka MOTD) implementation in Cisco NX-OS 4.1(2)E1(1f) on Nexus 4000 devices… CVSS 2.0MEDIUM 5.0
  • TI-2013-01055 The SSL functionality in Cisco NX-OS on the Nexus 1000V does not properly verify X.509… CVSS 2.0MEDIUM 5.8

Sources