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CVE-2021-46772

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

CVSS Score

3.9 / 10

Product(s) Impacted

AMD BIOS/UEFI Firmware

Description

Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.

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

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

Base Score

3.9

Exploitability Score

0.8

Impact Score

2.7

Base Severity

LOW

CVSS Vector String

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

View Vector String

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

References

https://www.amd.com/ psirt@amd.com