CVE-2023-20596 is a critical vulnerability affecting AMD products, stemming from improper input validation in the SMM Supervisor. This flaw allows an attacker with a compromised SMI handler to achieve Ring0 access, potentially leading to arbitrary code execution. With a CVSS score of 9.8, it represents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its critical severity, 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 |
|---|---|---|---|
< comboam4v2_1.2.0.bCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:* | ||
< comboam4v2_1.2.0.bCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:* | ||
< comboam4v2_1.2.0.bCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:* | ||
< comboam4v2_1.2.0.bCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:* | ||
< comboam4v2_1.2.0.bCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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.