CVE-2013-5556: Cisco Nexus 1000v

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The license-installation module on the Cisco Nexus 1000V switch 4.2(1)SV1(5.2b) and earlier for VMware vSphere, Cisco Nexus 1000V switch 5.2(1)SM1(5.1) for Microsoft Hyper-V, and Cisco Virtual Security Gateway 4.2(1)VSG1(1) for Nexus 1000V switches allows local users to gain privileges and execute arbitrary commands via crafted "install all iso" arguments, aka Bug ID CSCui21340.

Affected products

• Cisco Nexus 1000v: version 4.2(1)vsg1(1) only; version 5.2(1)sm1(5.1) only; up to and including 4.2\(1\)sv1\(5.2b\); version 4.2(1)_sv1(4) only; version 4.2(1)_sv1(4a) only; version 4.2(1)_sv1(4b) only; …

Published 2013-11-18. Last modified 2026-06-16.