CVE-2023-20565

HIGH

AMD Ryzen 3/5/7 Firmware < comboam4v2_1.2.0.b or < comboam5_1.0.7.0 - Privilege Escalation via SMM Code

Title source: llm
STIX 2.1

Description

Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.

References (2)

Core 2

Scores

CVSS v3 7.8
EPSS 0.0014
EPSS Percentile 34.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-269
Status published
Products (50)
amd/ryzen_3_5100_firmware < comboam4v2_1.2.0.b
amd/ryzen_3_5125c_firmware < cezannepi-fp6_1.0.0.f
amd/ryzen_3_5300g_firmware < comboam4v2_1.2.0.b
amd/ryzen_3_5300ge_firmware < comboam4v2_1.2.0.b
amd/ryzen_3_5400u_firmware < cezannepi-fp6_1.0.0.f
amd/ryzen_3_5425u_firmware < cezannepi-fp6_1.0.0.f
amd/ryzen_3_7335u_firmware < rembrandtpi-fp7_1.0.0.9
amd/ryzen_3_pro_7330u_firmware < cezannepi-fp6_1.0.0.f
amd/ryzen_3_pro_7440u_firmware < phoenixpi-fp8-fp7_pi_1.0.0.1g
amd/ryzen_5_5500_firmware < comboam4v2_1.2.0.b
... and 40 more
Published Nov 14, 2023
Tracked Since Feb 18, 2026