Unrated severityNVD Advisory· Published May 29, 2013· Updated Jun 16, 2026

CVE-2013-1209

Description

The encryption functionality in the Virtual Supervisor Module (VSM) to Virtual Ethernet Module (VEM) communication component in Cisco NX-OS on the Nexus 1000V does not properly authenticate VSM/VEM packets, which allows remote attackers to disable packet-level encryption and integrity protection via crafted packets, aka Bug ID CSCud14710.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Nx OS2 versions
cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*
- (no CPE)
Cisco Systems, Inc./Nexus 1000vllm-fuzzy

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1209nvdVendor Advisory

News mentions

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