Vigil@nce - Cisco UCS C-Series Rack Server: privilege escalation via UEFI Secure Boot Bypass
March 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Cisco UCS.
Severity: 1/4.
Consequences: administrator access/rights, privileged
access/rights.
Provenance: physical access.
Confidence: confirmed by the editor (5/5).
Creation date: 19/02/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via UEFI Secure Boot Bypass of
Cisco UCS C-Series Rack Server, in order to escalate his
privileges.
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