CVE-2023-20559 is a high-severity vulnerability affecting AMD products due to insufficient control flow management in AmdCpmGpioInitSmm. A privileged attacker could tamper with the SMM handler, leading to escalation of privileges with high impact on confidentiality, integrity, and availability. The CVSS score is 8.8 (HIGH), indicating a network-exploitable vulnerability with low attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, making it a low-profile threat at this time.
| 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.