Vulnerability · Published Nov 16, 2021 · Assigned by AMD

CVE-2020-12954

Medium 5.5

In plain English

A medium-severity security flaw in 1st Gen AMD EPYC™ from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.

Affected products (as reported)

VendorProductVersions
AMD 1st Gen AMD EPYC™ unspecified – before NaplesPI-SP3_1.0.0.G
AMD 2nd Gen AMD EPYC™ unspecified – before RomePI-SP3_1.0.0.C
AMD 3rd Gen AMD EPYC™ unspecified – before MilanPI-SP3_1.0.0.4

Weakness: CWE-693

References