CVE-2021-26406
High
Published: 09 May 2023
Published
09 May 2023
Modified
28 January 2025
KEV Added
—
Patch
—
CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0044
63.8th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26406 is a high-severity an unspecified weakness vulnerability in Amd Epyc 7232P Firmware. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 36.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13212
Vulnerability details
Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
amd
epyc 7232p firmware
romepi_1.0.0.a
amd
epyc 7252 firmware
romepi_1.0.0.a
amd
epyc 7262 firmware
romepi_1.0.0.a
amd
epyc 7272 firmware
romepi_1.0.0.a
amd
epyc 7282 firmware
romepi_1.0.0.a
amd
epyc 7302 firmware
romepi_1.0.0.a
amd
epyc 7302p firmware
romepi_1.0.0.a
amd
epyc 7352 firmware
romepi_1.0.0.a
amd
epyc 7402 firmware
romepi_1.0.0.a
amd
epyc 7402p firmware
romepi_1.0.0.a
+30 more product configuration(s) — see NVD for full list
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.