PT-2024-11951 · Asp+1 · Asp+1

Published 2024-08-13 · Updated 2025-08-13 · CVE-2023-20518

Positive Technologies (AI Summary)

CVSS v3.1

1.9

Low

Base vector

AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions ASP (affected versions not specified)

Description The issue is related to incomplete cleanup in the ASP, which 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-459

Related Identifiers

BDU:2025-09856

CVE-2023-20518

Affected Products

Asp

Red Os

References · 10

• https://amd.com/en/resources/product-security/bulletin/amd-sb-3003.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09856 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-20518 · Security Note
• https://twitter.com/CVEnew/status/1823411953089568813 · Twitter Post
• https://twitter.com/PorsilapongoCl/status/1823413032946483447 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1823432393312665851 · Twitter Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-13082025/?sphrase_id=1203948 · Note
• https://amd.com/en/resources/product-security/bulletin/amd-sb-5002.html · Note
• https://t.me/cvenotify/90448 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-13082025 · Note