CVE-2021-26322

HIGH

AMD EPYC Firmware - Information Disclosure via Weak IV

Title source: llm

Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.

CVSS v3 7.5

EPSS 0.0040

EPSS Percentile 60.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-320 CWE-330

Status published

Products (50)

amd/epyc_7232p_firmware < romepi-sp3_1.0.0.c

amd/epyc_7251_firmware < naplespi-sp3_1.0.0.g

amd/epyc_7252_firmware < romepi-sp3_1.0.0.c

amd/epyc_7261_firmware < naplespi-sp3_1.0.0.g

amd/epyc_7262_firmware < romepi-sp3_1.0.0.c

amd/epyc_7272_firmware < romepi-sp3_1.0.0.c

amd/epyc_7281_firmware < naplespi-sp3_1.0.0.g

amd/epyc_7282_firmware < romepi-sp3_1.0.0.c

amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.4

amd/epyc_7301_firmware < naplespi-sp3_1.0.0.g

... and 40 more

Published Nov 16, 2021

Tracked Since Feb 18, 2026