What is CVE-2023-31346?

CVE-2023-31346 is a medium-severity vulnerability in Amd 3rd Gen Epyc™ Processors, classified under Improper Access Control. CVSS score: 6.0/10. Published 2024-02-13.

How severe is CVE-2023-31346?

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

Is CVE-2023-31346 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Amd 3rd Gen Epyc™ Processors

CVE-2023-31346

Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.

EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.

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.

Affected products

Amd 3rd Gen Epyc™ Processors — versions various
Amd 4th Gen Epyc™ Processors — versions various
Amd Epyc_7203_firmware
Amd Epyc_7203p
Amd Epyc_7203p_firmware
Amd Epyc_72f3
Amd Epyc_72f3_firmware
Amd Epyc_7303
Amd Epyc_7303_firmware
Amd Epyc_7303p

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2023-31346?: CVE-2023-31346 is a medium-severity vulnerability in Amd 3rd Gen Epyc™ Processors, classified under Improper Access Control. CVSS score: 6.0/10. Published 2024-02-13.
How severe is CVE-2023-31346?: Medium severity. CVSS v3 base score is 6.0 out of 10.
Is CVE-2023-31346 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.