CVE-2023-20591

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

CVE-2023-20591 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

CVE-2023-20591 affects products from amd, specifically: epyc_7203, epyc_7203_firmware, epyc_7203p, epyc_7203p_firmware, epyc_72f3, epyc_72f3_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_7373x, epyc_7373x_firmware, epyc_73f3, epyc_73f3_firmware, epyc_7413, epyc_7413_firmware, epyc_7443, epyc_7443_firmware, epyc_7443p, epyc_7443p_firmware, epyc_7453, epyc_7453_firmware, epyc_7473x, epyc_7473x_firmware, epyc_74f3, epyc_74f3_firmware, epyc_7513, epyc_7513_firmware, epyc_7543, epyc_7543_firmware, epyc_7543p, epyc_7543p_firmware, epyc_7573x, epyc_7573x_firmware, epyc_75f3, epyc_75f3_firmware, epyc_7643, epyc_7643_firmware, epyc_7643p, epyc_7643p_firmware, epyc_7663, epyc_7663_firmware, epyc_7663p, epyc_7663p_firmware, epyc_7713, epyc_7713_firmware, epyc_7713p, epyc_7713p_firmware, epyc_7763, epyc_7763_firmware, epyc_7773x, epyc_7773x_firmware, epyc_8024p, epyc_8024p_firmware, epyc_8024pn, epyc_8024pn_firmware, epyc_8124p, epyc_8124p_firmware, epyc_8124pn, epyc_8124pn_firmware, epyc_8224p, epyc_8224p_firmware, epyc_8224pn, epyc_8224pn_firmware, epyc_8324p, epyc_8324p_firmware, epyc_8324pn, epyc_8324pn_firmware, epyc_8434p, epyc_8434p_firmware, epyc_8434pn, epyc_8434pn_firmware, epyc_8534p, epyc_8534p_firmware, epyc_8534pn, epyc_8534pn_firmware, epyc_9124, epyc_9124_firmware, epyc_9174f, epyc_9174f_firmware, epyc_9184x, epyc_9184x_firmware, epyc_9224, epyc_9224_firmware, epyc_9254, epyc_9254_firmware, epyc_9274f, epyc_9274f_firmware, epyc_9334, epyc_9334_firmware, epyc_9354, epyc_9354_firmware, epyc_9354p, epyc_9354p_firmware, epyc_9374f, epyc_9374f_firmware, epyc_9384x, epyc_9384x_firmware, epyc_9454, epyc_9454_firmware, epyc_9454p, epyc_9454p_firmware, epyc_9474f, epyc_9474f_firmware, epyc_9534, epyc_9534_firmware, epyc_9554, epyc_9554_firmware, epyc_9554p, epyc_9554p_firmware, epyc_9634, epyc_9634_firmware, epyc_9654, epyc_9654_firmware, epyc_9654p, epyc_9654p_firmware, epyc_9684x, epyc_9684x_firmware, epyc_9734, epyc_9734_firmware, epyc_9754, epyc_9754_firmware, epyc_9754s, epyc_9754s_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.