CVE-2013-1212: The SSL functionality in Cisco NX-OS on the Nexus 1000V does not properly verify X.509 certificates, which...

Security readout for executives and security teams

Cisco Nexus 1000V could fail to properly verify SSL certificates between its Virtual Supervisor Module and VMware vCenter. An attacker positioned between those systems could impersonate a server and read or alter management communication. Treat this as a legacy management-plane exposure, especially in virtualized environments still using Nexus 1000V. Exposure is likely limited to organizations still running Cisco Nexus 1000V with VSM integration to VMware vCenter. Risk depends on whether an attacker can access or influence the network path between VSM and vCenter. Prioritize review if Nexus 1000V remains in production or supports critical virtual infrastructure. The main business risk is management-plane trust failure, where an attacker on the internal path could tamper with virtualization control traffic. Mitigation focus: Review the Cisco Security Notice for affected releases and vendor remediation guidance.; Inventory Cisco Nexus 1000V VSM deployments and associated VMware vCenter connections.; Limit VSM-to-vCenter communication to trusted management networks..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.