CVE-2021-26324: amd 3rd gen amd epyc™
CVSS: 7.8v3.1HighModified
Published 10-05-2022Last modified 16-09-2024
Vulnerability summary
CVE-2021-26324 is a high (CVSS 7.8) vulnerability in amd 3rd gen amd epyc™. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)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
- 10-05-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% 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 causeNo weakness data has been published for this record.
Affected systems
Amd24 products
- 3rd gen amd epyc™≥ unspecified, < MilanPI-SP3_1.0.0.4
- epyc_72f3_firmware< milanpi-sp3_1.0.0.4
- epyc_7313_firmware< milanpi-sp3_1.0.0.4
- epyc_7313p_firmware< milanpi-sp3_1.0.0.4
- epyc_7343_firmware< milanpi-sp3_1.0.0.4
1 vendor · 24 products