CVE-2021-26403

· MEDIUMModified

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CVSS v3.1

6.5

EPSS

0.12%

Published

Jan 11, 2023

Modified

Apr 8, 2025

Public PoC / Exploit (1)

All weaponized →

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.

CVSS Vector

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

Weaknesses (CWE)

CWE-345

Affected Products (82)

amd · epyc_7001_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7001

amd · epyc_7251_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7251

amd · epyc_7261_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7261

amd · epyc_7281_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7281

amd · epyc_7301_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7301

amd · epyc_7351_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7351

amd · epyc_7351p_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7351p

amd · epyc_7371_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7371

amd · epyc_7401_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7401

amd · epyc_7401p_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7401p

amd · epyc_7451_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7451

amd · epyc_7501_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7501

amd · epyc_7551_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7551

amd · epyc_7551p_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7551p

amd · epyc_7601_firmware (up to naplespi_1.0.0.e)vulnerable

amd · epyc_7601

amd · epyc_7002_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7002

amd · epyc_7232p_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7232p

amd · epyc_7252_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7252

amd · epyc_7262_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7262

amd · epyc_7272_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7272

amd · epyc_7282_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7282

amd · epyc_7302_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7302

amd · epyc_7302p_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7302p

amd · epyc_7352_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7352

amd · epyc_7402_firmware (up to romepi_1.0.0.9)vulnerable

amd · epyc_7402

...and 32 more

References (2)

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

Vendor Advisory

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

Vendor Advisory

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