CVE-2023-20565: AMD Ryzen 3 5100 Firmware

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.

Affected products

AMD Ryzen 3 5100 Firmware: before comboam4v2_1.2.0.b (fixed in comboam4v2_1.2.0.b)
AMD Ryzen 3 5125c Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 3 5300g Firmware: before comboam4v2_1.2.0.b (fixed in comboam4v2_1.2.0.b)
AMD Ryzen 3 5300ge Firmware: before comboam4v2_1.2.0.b (fixed in comboam4v2_1.2.0.b)
AMD Ryzen 3 5400u Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 3 5425u Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 3 7335u Firmware: before rembrandtpi-fp7_1.0.0.9 (fixed in rembrandtpi-fp7_1.0.0.9)
AMD Ryzen 3 Pro 7330u Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 3 Pro 7440u Firmware: before phoenixpi-fp8-fp7_pi_1.0.0.1g (fixed in phoenixpi-fp8-fp7_pi_1.0.0.1g)
AMD Ryzen 5 5500 Firmware: before comboam4v2_1.2.0.b (fixed in comboam4v2_1.2.0.b)
AMD Ryzen 5 5500h Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 5 5560u Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 5 5600g Firmware: before comboam4v2_1.2.0.b (fixed in comboam4v2_1.2.0.b)
AMD Ryzen 5 5600ge Firmware: before comboam4v2_1.2.0.b (fixed in comboam4v2_1.2.0.b)
AMD Ryzen 5 5600h Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 5 5600hs Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 5 5600u Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 5 5625u Firmware: before cezannepi-fp6_1.0.0.f (fixed in cezannepi-fp6_1.0.0.f)
AMD Ryzen 5 6600h Firmware: before rembrandtpi-fp7_1.0.0.9 (fixed in rembrandtpi-fp7_1.0.0.9)
AMD Ryzen 5 6600hs Firmware: before rembrandtpi-fp7_1.0.0.9 (fixed in rembrandtpi-fp7_1.0.0.9)
AMD Ryzen 5 6600u Firmware: before rembrandtpi-fp7_1.0.0.9 (fixed in rembrandtpi-fp7_1.0.0.9)
AMD Ryzen 5 7500f Firmware: before comboam5_1.0.7.0 (fixed in comboam5_1.0.7.0)
AMD Ryzen 5 7535hs Firmware: before rembrandtpi-fp7_1.0.0.9 (fixed in rembrandtpi-fp7_1.0.0.9)
AMD Ryzen 5 7535u Firmware: before rembrandtpi-fp7_1.0.0.9 (fixed in rembrandtpi-fp7_1.0.0.9)
AMD Ryzen 5 7600 Firmware: before comboam5_1.0.7.0 (fixed in comboam5_1.0.7.0)
and 46 more

Published 2023-11-14. Last modified 2026-06-17.