CVE-2021-26353 is a high-severity vulnerability affecting AMD products, stemming from a failure to validate inputs in the System Management Mode (SMM). This flaw can lead to a mishandled error, leaving the DRTM UApp in a partially initialized state and potentially resulting in a loss of memory integrity. With a CVSS score of 7.8, it presents a significant risk, allowing a local attacker with low privileges to achieve high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), 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_7763_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7643_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.