What is CVE-2023-20525?

CVE-2023-20525 is a medium-severity vulnerability in Amd 2nd Gen Epyc, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-01-11.

How severe is CVE-2023-20525?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Amd 2nd Gen Epyc

CVE-2023-20525

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Amd 2nd Gen Epyc — versions various
Amd 3rd Gen Epyc — versions various
Amd Epyc_7002
Amd Epyc_7002_firmware
Amd Epyc_7003
Amd Epyc_7003_firmware
Amd Epyc_7232p
Amd Epyc_7232p_firmware
Amd Epyc_7252
Amd Epyc_7252_firmware

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@amd.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20525?: CVE-2023-20525 is a medium-severity vulnerability in Amd 2nd Gen Epyc, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-01-11.
How severe is CVE-2023-20525?: Medium severity. CVSS v3 base score is 6.5 out of 10.