Cyber Resilience

CVE-2021-26348

Medium

Published: 11 May 2022

Published
11 May 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0013 32.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-26348 is a medium-severity an unspecified weakness vulnerability in Amd Epyc 7763 Firmware. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 32.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

amd
epyc 7763 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7713p firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7713 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7663 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7643 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 75f3 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7543p firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7543 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7513 firmware
≤ milanpi-sp3_1.0.0.7
amd
epyc 7453 firmware
≤ milanpi-sp3_1.0.0.7
+13 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.

References