CVE-2021-26316 is a high-severity vulnerability affecting AMD BIOS, stemming from insufficient validation of communication buffers and services. This flaw could enable a local attacker to tamper with these buffers, potentially leading to arbitrary code execution within System Management Mode (SMM). With a CVSS score of 7.8, it presents a significant risk of high impact to confidentiality, integrity, and availability, requiring low privileges and local access. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< romepi_1.0.0.dCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.dCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.dCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.dCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.dCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7742_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.