7.8high
CVE-2021-26331
AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arb…
Published 4 y ago · modified 4 mo ago · JSON
CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 22%
Public exploits
0
none known
Summary
AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.
Exploit prediction (EPSS)
0.29% probability of exploitation in the next 30 days, higher than 22% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- AMD 1st Gen AMD EPYC™
- AMD 2nd Gen AMD EPYC™
- AMD 3rd Gen AMD EPYC™
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- amd.com /en/corporate/product-security/bulletin/amd-sb-1021 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2021-26331
- NVD: CVE-2021-26331
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