CVE-2015-4279: The Manager component in Cisco Unified Computing System (UCS) 2.2(3b) on B Blade Server devices allows loca...

Security readout for executives and security teams

This Cisco UCS issue lets a local user with access to a subordinate fabric interconnect gain higher privileges to run arbitrary CLI commands. The sources identify Cisco UCS Manager 2.2(3b) on B Blade Server devices. No CVSS score, patch detail, or active exploitation evidence is included in the supplied bundle. Exposure appears limited to environments using Cisco UCS Manager 2.2(3b) on UCS B Blade Server devices where users can access the subordinate fabric interconnect. The source bundle does not identify other versions or products. Prioritize assessment if Cisco UCS B-Series infrastructure is in use. The issue affects management-plane privilege boundaries, but available evidence indicates a local-access prerequisite and does not confirm active exploitation. Mitigation focus: Review Cisco advisory alertId 39990 for official fixed versions or workarounds.; Inventory Cisco UCS Manager deployments and identify version 2.2(3b).; Restrict subordinate fabric interconnect access to trusted administrators only..

Prepared

Jun 13, 2026, 22:22 UTC (UTC+00:00)

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