CVE-2023-20518
1.9CVSSLOW
Description
Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
and 40 more affected products View all →
Exploitability
Official Patch Available
References
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html
amd.com
https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-13082025/?sphrase_id=1203948
redos.red-soft.ru
and 1 more references View all →
Timeline
Published
Aug 13, 2024
Last Updated
Nov 5, 2024
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2023-20518 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows