PT-2021-9515 · Amd · Amd Platform Security Processor

Hugo Magalhaes · Published 2021-11-16 · Updated 2021-11-19 · CVE-2020-12961

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions AMD Platform Security Processor (PSP) (affected versions not specified)

Description A potential issue exists in the AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network, which may lead to bypassing SPI ROM protections.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2020-12961

Affected Products

Amd Platform Security Processor

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-12961 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1021 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-12961 · Vendor Advisory
• https://t.me/cvenotify/23450 · Telegram Post
• https://t.me/cibsecurity/32476 · Telegram Post