A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access to an affected device to bypass UEFI Secure Boot validation checks and execute unauthorized software.
Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability
About this summary. This is a short, independently written summary of an article first published by Cisco PSIRT. Cyber Security News did not report or verify the underlying story. Read the original: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW?vs_f=Cisco%20Security%20Advisory%26vs_cat%3DSecurity%20Intelligence%26vs_type%3DRSS%26vs_p%3DCisco%20UCS%20and%20UCS-Based%20Appliances%20UEFI%20Shell%20Secure%20Boot%20Bypass%20Vulnerability%26vs_k%3D1
Source attribution: headline and facts are from Cisco PSIRT (sec.cloudapps.cisco.com). Summary method: excerpt of the source description. See our source attribution policy.
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