CVE-2021-26403
MEDIUMAMD EPYC 7001 Series Firmware - Insufficient Verification of Data Authenticity
Title source: llmDescription
Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032
Scores
CVSS v3
6.5
EPSS
0.0003
EPSS Percentile
9.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-345
Status
published
Products (41)
amd/epyc_7001_firmware
< naplespi_1.0.0.e
amd/epyc_7002_firmware
< romepi_1.0.0.9
amd/epyc_7232p_firmware
< romepi_1.0.0.9
amd/epyc_7251_firmware
< naplespi_1.0.0.e
amd/epyc_7252_firmware
< romepi_1.0.0.9
amd/epyc_7261_firmware
< naplespi_1.0.0.e
amd/epyc_7262_firmware
< romepi_1.0.0.9
amd/epyc_7272_firmware
< romepi_1.0.0.9
amd/epyc_7281_firmware
< naplespi_1.0.0.e
amd/epyc_7282_firmware
< romepi_1.0.0.9
... and 31 more
Published
Jan 11, 2023
Tracked Since
Feb 18, 2026