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.
Published · last modified .
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: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007 (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.