Information disclosure in Amd 2nd Gen Epyc™ Processors
CVE-2023-20593
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
EPSS: 0.052 (91.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt — versions various
- Amd Ryzen™ 4000 Series Desktop Processors With Radeon™ Graphics “Renoir” Am4 — versions various
- Amd Athlon_gold_7220u
- Amd Athlon_gold_7220u_firmware
- Amd Epyc_7232p
- Amd Epyc_7232p_firmware
- Amd Epyc_7252
- Amd Epyc_7252_firmware
- Amd Epyc_7262
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
- psirt@amd.com (Patch, Mitigation, Vendor Advisory)
- psirt@amd.com (Mailing List)
- psirt@amd.com (Not Applicable)
- psirt@amd.com (Mailing List)
- psirt@amd.com (Mailing List)
- psirt@amd.com (Mailing List)
- psirt@amd.com (Mailing List)
- psirt@amd.com (Mailing List)
- psirt@amd.com (Mailing List)
Frequently asked questions
- What is CVE-2023-20593?
- CVE-2023-20593 is a medium-severity vulnerability in Amd 2nd Gen Epyc™ Processors, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.5/10. Published 2023-07-24.
- How severe is CVE-2023-20593?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-20593 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.