CVE-2023-20591

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

CVSS Score

6.5 / 10

Product(s) Impacted

AMD processors

Description

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.

Weaknesses

Date

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

CVSS Data

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

Base Score

6.5

Exploitability Score

2.2

Impact Score

3.7

Base Severity

MEDIUM

CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

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