What is CVE-2021-26345?

CVE-2021-26345 is a low-severity vulnerability in Amd 2nd Gen Epyc™ Processors. CVSS score: 1.9/10. Published 2023-11-14.

How severe is CVE-2021-26345?

Low severity. CVSS v3 base score is 1.9 out of 10.

Vulnerability in Amd 2nd Gen Epyc™ Processors

CVE-2021-26345

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.

EPSS: 0.000 (12.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 1.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L.

Affected products

Amd 2nd Gen Epyc™ Processors — versions various
Amd 3rd Gen Epyc™ Processors — versions various
Amd 4th Gen Epyc™ Processors — versions various
Amd Epyc™ Embedded 7002 — versions various
Amd Epyc™ Embedded 7003 — versions various

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 (vendor-advisory)
www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

Frequently asked questions

What is CVE-2021-26345?: CVE-2021-26345 is a low-severity vulnerability in Amd 2nd Gen Epyc™ Processors. CVSS score: 1.9/10. Published 2023-11-14.
How severe is CVE-2021-26345?: Low severity. CVSS v3 base score is 1.9 out of 10.