CVE-2023-20532: amd 2nd gen epyc Improper Input Validation
CVSS: 5.3v3.1MediumModified
Published 10-01-2023Last modified 07-04-2025
Vulnerability summary
CVE-2023-20532 is a medium (CVSS 5.3) Improper Input Validation vulnerability in amd 2nd gen epyc. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.3% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-01-2023PublishedVulnerability first disclosed.
- 07-04-2025Last modifiedVulnerability information updated.
Description
Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.56% on 19-09-2026
19-09-202619-10-2026
EPSS score0.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Amd52 products
- 2nd gen epycvarious
- 3rd gen epycvarious
- epyc_7002_firmware< romepi_1.0.0.c
- epyc_7003_firmware< milanpi_1.0.0.5
- epyc_7232p_firmware< romepi_1.0.0.c
1 vendor · 52 products