CVE-2021-26344 is an out-of-bounds memory write vulnerability affecting AMD products when processing the AMD PSP1 Configuration Block (APCB). An attacker with BIOS modification and signing capabilities could exploit this to achieve arbitrary code execution. The vulnerability has a CVSS score of 8.2 (HIGH), indicating a local attack vector with high impact on confidentiality, integrity, and availability, but requires high privileges. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< milanpi_1.0.0.5CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7203_firmware:*:*:*:*:*:*:*:* | ||
< milanpi_1.0.0.5CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7203p_firmware:*:*:*:*:*:*:*:* | ||
< milanpi_1.0.0.5CPE matchmatch criteria | cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* | ||
< milanpi_1.0.0.5CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7303_firmware:*:*:*:*:*:*:*:* | ||
< milanpi_1.0.0.5CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7303p_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/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.