CVSS 3.1
7.4 highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NCVE-2021-26356
High (7.4) in amd. EPSS 0.4% chance of exploitation in the next 30 days.
A TOCTOU in ASP bootloader may allow an attacker
to tamper with the SPI ROM following data read to memory potentially resulting
in S3 data corruption and information disclosure.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
- CWE
- CWE-367
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:epyc_7001_firmware
- amd:epyc_7002_firmware
- amd:epyc_7232p_firmware
- amd:epyc_7251_firmware
- amd:epyc_7252_firmware
- amd:epyc_7261_firmware
- amd:epyc_7262_firmware
- amd:epyc_7272_firmware
- amd:epyc_7281_firmware
- amd:epyc_7282_firmware
- amd:epyc_72f3_firmware
- amd:epyc_7301_firmware
- amd:epyc_7302_firmware
- amd:epyc_7302p_firmware
- amd:epyc_7313_firmware
- amd:epyc_7313p_firmware
- amd:epyc_7343_firmware
- amd:epyc_7351_firmware
- amd:epyc_7351p_firmware
- amd:epyc_7352_firmware
- amd:epyc_7371_firmware
- amd:epyc_7373x_firmware
- amd:epyc_7401_firmware
- amd:epyc_7401p_firmware
- amd:epyc_7402_firmware
- amd:epyc_7402p_firmware
- amd:epyc_7413_firmware
- amd:epyc_7443_firmware
- amd:epyc_7443p_firmware
- amd:epyc_7451_firmware
- amd:epyc_7452_firmware
- amd:epyc_7453_firmware
- amd:epyc_7473x_firmware
- amd:epyc_74f3_firmware
- amd:epyc_7501_firmware
- amd:epyc_7502_firmware
- amd:epyc_7513_firmware
- amd:epyc_7532_firmware
- amd:epyc_7542_firmware
- amd:epyc_7543_firmware
- amd:epyc_7543p_firmware
- amd:epyc_7551_firmware
- amd:epyc_7551p_firmware
- amd:epyc_7552_firmware
- amd:epyc_7573x_firmware
- amd:epyc_75f3_firmware
- amd:epyc_7601_firmware
- amd:epyc_7642_firmware
- amd:epyc_7643_firmware
- amd:epyc_7662_firmware