CVE-2023-20596
Critical
Published: 14 November 2023
Published
14 November 2023
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0039
60.4th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-20596 is a critical-severity an unspecified weakness vulnerability in Amd Ryzen 7 5700G Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 39.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-24775
Vulnerability details
Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
amd
ryzen 7 5700g firmware
≤ comboam4v2_1.2.0.b
amd
ryzen 7 5700ge firmware
≤ comboam4v2_1.2.0.b
amd
ryzen 5 5600g firmware
≤ comboam4v2_1.2.0.b
amd
ryzen 5 5600ge firmware
≤ comboam4v2_1.2.0.b
amd
ryzen 3 5300g firmware
≤ comboam4v2_1.2.0.b
amd
ryzen 3 5300ge firmware
≤ comboam4v2_1.2.0.b
amd
ryzen 9 7950x3d firmware
≤ comboam5pi_1.0.8.0
amd
ryzen 9 7950x firmware
≤ comboam5pi_1.0.8.0
amd
ryzen 9 7900x3d firmware
≤ comboam5pi_1.0.8.0
amd
ryzen 9 7900 firmware
≤ comboam5pi_1.0.8.0
+54 more product configuration(s) — see NVD for full list
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.