What is CVE-2023-31352?

CVE-2023-31352 is a medium-severity vulnerability in AMD Epyc™ 9004 Processors, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.0/10. Published 2025-02-11.

How severe is CVE-2023-31352?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Buffer overflow in AMD Epyc™ 9004 Processors

CVE-2023-31352

A bug in the SEV firmware may allow an attacker with privileges to read unencrypted memory, potentially resulting in loss of guest private data.

Vulnerability class: Buffer Overflow

Published 2025-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

AMD Epyc™ 9004 Processors — versions GenoaPI 1.0.0.C, SEV FW1.55.36
AMD Epyc™ Embedded 9004 — versions EmbGenoaPI-SP5 1.0.0.7

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Frequently asked questions

What is CVE-2023-31352?: CVE-2023-31352 is a medium-severity vulnerability in AMD Epyc™ 9004 Processors, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.0/10. Published 2025-02-11.
How severe is CVE-2023-31352?: Medium severity. CVSS v3 base score is 6.0 out of 10.