CVE-2021-26331 is a high-severity vulnerability affecting AMD System Management Unit (SMU) that could allow a local, authenticated attacker to achieve arbitrary code execution by manipulating mailbox entries. With a CVSS score of 7.8, this flaw presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:* | ||
< romepi-sp3_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7002_firmware:*:*:*:*:*:*:*:* | ||
< naplespi-sp3_1.0.0.gCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7001_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.