Vulnerability · Published Nov 14, 2023 · Assigned by AMD
CVE-2021-26345
Low 1.9
In plain English
A low-severity security flaw in 2nd Gen AMD EPYC™ Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)1.9Low
Exploit odds (30 days)0.4%top 62.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 2nd Gen AMD EPYC™ Processors | various |
| AMD | 3rd Gen AMD EPYC™ Processors | various |
| AMD | 4th Gen AMD EPYC™ Processors | various |
| AMD | AMD EPYC™ Embedded 7002 | various |
| AMD | AMD EPYC™ Embedded 7003 | various |
| AMD | AMD EPYC™ Embedded 7002 | various |
| AMD | AMD EPYC™ Embedded 7003 | various |