CVE-2021-46754

CRITICAL

AMD Ryzen 3000/5000 Series Firmware - Information Disclosure and Integrity Loss via ASP Bootloader Input Validation

Title source: llm
STIX 2.1

Description

Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive information to the SMU (System Management Unit) resulting in a potential loss of confidentiality and integrity.

References (2)

Core 2

Scores

CVSS v3 9.1
EPSS 0.0020
EPSS Percentile 42.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-20
Status published
Products (50)
amd/athlon_gold_3150g_firmware picassopi-fp5_1.0.0.e
amd/athlon_gold_3150g_firmware pollockpi-ft5_1.0.0.4
amd/athlon_gold_3150ge_firmware picassopi-fp5_1.0.0.e
amd/athlon_gold_3150ge_firmware pollockpi-ft5_1.0.0.4
amd/athlon_silver_3050ge_firmware picassopi-fp5_1.0.0.e
amd/athlon_silver_3050ge_firmware pollockpi-ft5_1.0.0.4
amd/ryzen_1200_\(af\)_firmware comboam4pi_1.0.0.9
amd/ryzen_1200_\(af\)_firmware comboam4v2_pi_1.2.0.8
amd/ryzen_1200_\(af\)_firmware pinnaclepi-am4_1.0.0.d
amd/ryzen_1200_\(af\)_firmware raven-fp5-am4_1.1.0.f
... and 40 more
Published May 09, 2023
Tracked Since Feb 18, 2026