CVE-2021-26344

An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution. It has a CVSS v3.1 base score of 7.2 (HIGH).

CVE-2021-26344 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

CVE-2021-26344 affects products from amd, specifically: epyc_7001, epyc_7001_firmware, epyc_7203, epyc_7203_firmware, epyc_7203p, epyc_7203p_firmware, epyc_7232p, epyc_7232p_firmware, epyc_7251, epyc_7251_firmware, epyc_7252, epyc_7252_firmware, epyc_7261, epyc_7261_firmware, epyc_7262, epyc_7262_firmware, epyc_7272, epyc_7272_firmware, epyc_7281, epyc_7281_firmware, epyc_7282, epyc_7282_firmware, epyc_72f3, epyc_72f3_firmware, epyc_7301, epyc_7301_firmware, epyc_7302, epyc_7302_firmware, epyc_7302p, epyc_7302p_firmware, epyc_7303, epyc_7303_firmware, epyc_7303p, epyc_7303p_firmware, epyc_7313, epyc_7313_firmware, epyc_7313p, epyc_7313p_firmware, epyc_7343, epyc_7343_firmware, epyc_7351, epyc_7351_firmware, epyc_7351p, epyc_7351p_firmware, epyc_7352, epyc_7352_firmware, epyc_7371, epyc_7371_firmware, epyc_7373x, epyc_7373x_firmware, epyc_73f3, epyc_73f3_firmware, epyc_7401, epyc_7401_firmware, epyc_7401p, epyc_7401p_firmware, epyc_7402, epyc_7402_firmware, epyc_7402p, epyc_7402p_firmware, epyc_7413, epyc_7413_firmware, epyc_7443, epyc_7443_firmware, epyc_7443p, epyc_7443p_firmware, epyc_7451, epyc_7451_firmware, epyc_7452, epyc_7452_firmware, epyc_7453, epyc_7453_firmware, epyc_7473x, epyc_7473x_firmware, epyc_74f3, epyc_74f3_firmware, epyc_7501, epyc_7501_firmware, epyc_7502, epyc_7502_firmware, epyc_7502p, epyc_7502p_firmware, epyc_7513, epyc_7513_firmware, epyc_7532, epyc_7532_firmware, epyc_7542, epyc_7542_firmware, epyc_7543, epyc_7543_firmware, epyc_7543p, epyc_7543p_firmware, epyc_7551, epyc_7551_firmware, epyc_7551p, epyc_7551p_firmware, epyc_7552, epyc_7552_firmware, epyc_7573x, epyc_7573x_firmware, epyc_75f3, epyc_75f3_firmware, epyc_7601, epyc_7601_firmware, epyc_7642, epyc_7642_firmware, epyc_7643, epyc_7643_firmware, epyc_7643p, epyc_7643p_firmware, epyc_7662, epyc_7662_firmware, epyc_7663, epyc_7663_firmware, epyc_7663p, epyc_7663p_firmware, epyc_7702, epyc_7702_firmware, epyc_7702p, epyc_7702p_firmware, epyc_7713, epyc_7713_firmware, epyc_7713p, epyc_7713p_firmware, epyc_7742, epyc_7742_firmware, epyc_7763, epyc_7763_firmware, epyc_7773x, epyc_7773x_firmware, epyc_7f32, epyc_7f32_firmware, epyc_7f52, epyc_7f52_firmware, epyc_7f72, epyc_7f72_firmware, epyc_7h12, epyc_7h12_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.