CVE-2021-26337
Medium
Published: 16 November 2021
Published
16 November 2021
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:H/I:N/A:N
EPSS Score
0.0013
31.9th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26337 is a medium-severity an unspecified weakness vulnerability in Amd Epyc 7003 Firmware. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 31.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13143
Vulnerability details
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
amd
epyc 7003 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7002 firmware
≤ romepi-sp3_1.0.0.c
amd
epyc 72f3 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7313 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7313p firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7343 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 73f3 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7413 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7443 firmware
≤ milanpi-sp3_1.0.0.4
amd
epyc 7443p firmware
≤ milanpi-sp3_1.0.0.4
+102 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.