PT-2021-9518 · Amd · Amd Sev/Sev-Es

Erick Quintanar Salas + 4 · Published 2021-05-13 · Updated 2021-05-25 · CVE-2020-12967

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions AMD SEV/SEV-ES feature (affected versions not specified)

Description The issue is related to the lack of nested page table protection in the AMD SEV/SEV-ES feature. This could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor.

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

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2020-12967

Affected Products

Amd Sev/Sev-Es

References · 4

• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1004 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12967 · Security Note
• https://t.me/cvenotify/15016 · Telegram Post
• https://t.me/cvenotify/14363 · Telegram Post