CVE-2021-26329
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:N/I:N/A:H
EPSS Score
0.0012
30.9th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26329 is a medium-severity Improper Handling of Length Parameter Inconsistency (CWE-130) vulnerability in Amd Epyc 7601 Firmware. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 30.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13135
Vulnerability details
AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
amd
epyc 7601 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7551p firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7551 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7501 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7451 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7401 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7371 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7351p firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7351 firmware
≤ naplespi-sp3_1.0.0.g
amd
epyc 7301 firmware
≤ naplespi-sp3_1.0.0.g
+47 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.