CVE-2021-26387

Aug. 13, 2024, 5:15 p.m.

3.9
Low

Description

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Product(s) Impacted

Product Versions
AMD processors
  • []

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html

Tags

psirt@amd.com
2024-08-13
CVE-2021-26387

CVSS Score

3.9 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: HIGH
  • Privileges Required: HIGH
  • Scope: CHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: LOW
  • Availability Impact: LOW

    • CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

    View Vector String

Timeline

Published: Aug. 13, 2024, 5:15 p.m.
Last Modified: Aug. 13, 2024, 5:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@amd.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.