CVE-2023-20558 is a high-severity vulnerability affecting AMD products, specifically within the AmdCpmOemSmm component. It stems from insufficient control flow management, which could allow a privileged attacker to tamper with the System Management Mode (SMM) handler. This could lead to an escalation of privileges, with potential for high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< comboam4_v2_pi_1.2.0.6cCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:* | ||
< comboam4_v2_pi_1.2.0.6cCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:* | ||
< comboam4_v2_pi_1.2.0.6cCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:* | ||
< comboam4_v2_pi_1.2.0.6cCPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:* | ||
< comboam4_v2_pi_1.2.0.6cCPE 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:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.