CVE-2023-20578 is a Time-Of-Check-Time-Of-Use (TOCTOU) vulnerability in AMD products, specifically within the System Management Mode (SMM) firmware. An attacker with ring0 privileges and access to the BIOS menu or UEFI shell could exploit this to modify the communications buffer. This could lead to arbitrary code execution, carrying a CVSS score of 6.4 (Medium) due to high impact on confidentiality, integrity, and availability, though requiring high privileges and attack complexity. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< genoapi_1.0.0.2CPE matchmatch criteria | cpe:2.3:o:amd:epyc_8024pn_firmware:*:*:*:*:*:*:*:* | ||
< genoapi_1.0.0.2CPE matchmatch criteria | cpe:2.3:o:amd:epyc_8024p_firmware:*:*:*:*:*:*:*:* | ||
< genoapi_1.0.0.2CPE matchmatch criteria | cpe:2.3:o:amd:epyc_8124pn_firmware:*:*:*:*:*:*:*:* | ||
< genoapi_1.0.0.2CPE matchmatch criteria | cpe:2.3:o:amd:epyc_8124p_firmware:*:*:*:*:*:*:*:* | ||
< genoapi_1.0.0.2CPE matchmatch criteria | cpe:2.3:o:amd:epyc_8224pn_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.