CVE-2023-20573: AMD Epyc 7203 Firmware

Low severity, CVSS 3.2. EPSS: 0.3% chance of exploitation in the next 30 days.

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.

Affected products

• AMD Epyc 7203 Firmware: affected versions not specified
• AMD Epyc 7203p Firmware: affected versions not specified
• AMD Epyc 72f3 Firmware: affected versions not specified
• AMD Epyc 7303 Firmware: affected versions not specified
• AMD Epyc 7303p Firmware: affected versions not specified
• AMD Epyc 7313 Firmware: affected versions not specified
• AMD Epyc 7313p Firmware: affected versions not specified
• AMD Epyc 7343 Firmware: affected versions not specified
• AMD Epyc 7373x Firmware: affected versions not specified
• AMD Epyc 73f3 Firmware: affected versions not specified
• AMD Epyc 7413 Firmware: affected versions not specified
• AMD Epyc 7443 Firmware: affected versions not specified
• AMD Epyc 7443p Firmware: affected versions not specified
• AMD Epyc 7453 Firmware: affected versions not specified
• AMD Epyc 7473x Firmware: affected versions not specified
• AMD Epyc 74f3 Firmware: affected versions not specified
• AMD Epyc 7513 Firmware: affected versions not specified
• AMD Epyc 7543 Firmware: affected versions not specified
• AMD Epyc 7543p Firmware: affected versions not specified
• AMD Epyc 7573x Firmware: affected versions not specified
• AMD Epyc 75f3 Firmware: affected versions not specified
• AMD Epyc 7643 Firmware: affected versions not specified
• AMD Epyc 7643p Firmware: affected versions not specified
• AMD Epyc 7663 Firmware: affected versions not specified
• AMD Epyc 7663p Firmware: affected versions not specified
• and 40 more

Published 2024-01-11. Last modified 2026-06-17.