CVE-2021-46767: amd 2nd gen epyc Improper Input Validation
CVSS: 6.1v3.1MediumModified
Published 10-01-2023Last modified 09-04-2025
Vulnerability summary
CVE-2021-46767 is a medium (CVSS 6.1) Improper Input Validation vulnerability in amd 2nd gen epyc. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.7% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
0.27%
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.
- 09-04-2025Last modifiedVulnerability information updated.
Description
Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HSourcesAll 2 agree
- NVDNIST6.1MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 19-09-2026
19-09-202619-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Amd4 products
- 2nd gen epycvarious
- 3rd gen epycvarious
- milanpi_firmware< 1.0.0.6
- romepi_firmware< 1.0.0.d
1 vendor · 4 products