Headline
CVE-2023-24932: Secure Boot Security Feature Bypass Vulnerability
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could bypass Secure Boot.
CVE-ID
Learn more at National Vulnerability Database (NVD)
• CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
Secure Boot Security Feature Bypass Vulnerability
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
- MISC:Secure Boot Security Feature Bypass Vulnerability
- URL:https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24932
Assigning CNA
Microsoft Corporation
Date Record Created
20230131
Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20230131)
Votes (Legacy)
Comments (Legacy)
Proposed (Legacy)
N/A
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Summary Summary Today, Microsoft is releasing CVE-2023-24932, and associated configuration guidance, to address a Secure Boot bypass vulnerability used by the BlackLotus bootkit to exploit CVE-2022-21894. Customers will need to closely follow the configuration guidance to fully protect against this vulnerability. This vulnerability allows an attacker to execute self-signed code at the Unified Extensible Firmware Interface (UEFI) level while Secure Boot is enabled.