🛡️ CVE-2023-20596
🔴 CVSS 9.8 — Critical
✅ No Known Exploit NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10
Description
Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.
Details
Severity
CRITICAL
CVSS Score
9.8
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
N/A
Public Exploit
✅ No
Source
NVD
Published
2023-11-14
Updated
2026-06-08
Modified
2024-11-21
Fix URL
N/A
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| ryzen-3-5125c-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-3-5300g-firmware | — | comboam4v2_1.2.0.b |
| ryzen-3-5300ge-firmware | — | comboam4v2_1.2.0.b |
| ryzen-3-5400u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-3-5425u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-3-7335u-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-3-7440u-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-5-5500h-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-5-5560u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-5-5600g-firmware | — | comboam4v2_1.2.0.b |
| ryzen-5-5600ge-firmware | — | comboam4v2_1.2.0.b |
| ryzen-5-5600h-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-5-5600hs-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-5-5600u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-5-5625u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-5-6600h-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-5-6600hs-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-5-6600u-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-5-7500f-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-5-7535hs-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-5-7535u-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-5-7600-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-5-7600x-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-5-7640h-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-5-pro-7540u-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-5-pro-7545u-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-5-pro-7640hs-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-5-pro-7640u-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-5-pro-7645-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-7-5700g-firmware | — | comboam4v2_1.2.0.b |
| ryzen-7-5700ge-firmware | — | comboam4v2_1.2.0.b |
| ryzen-7-5800h-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-7-5800hs-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-7-5800u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-7-5825u-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-7-6800h-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-7-6800hs-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-7-6800u-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-7-7700-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-7-7700x-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-7-7735hs-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-7-7735u-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-7-7736u-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-7-7800x3d-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-7-7840h-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-7-pro-7745-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-7-pro-7840hs-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-7-pro-7840u-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-9-5900hs-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-9-5900hx-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-9-5980hs-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-9-5980hx-firmware | — | cezannepi-fp6_1.0.0.fa |
| ryzen-9-6900hs-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-9-6900hx-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-9-6980hs-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-9-6980hx-firmware | — | rembrandtpi-fp7_1.0.0.9b |
| ryzen-9-7900-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-9-7900x-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-9-7900x3d-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-9-7940h-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-9-7950x-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-9-7950x3d-firmware | — | comboam5pi_1.0.8.0 |
| ryzen-9-pro-7940hs-firmware | — | phoenixpi-fp8-fp7_1.0.0.2 |
| ryzen-9-pro-7945-firmware | — | comboam5pi_1.0.8.0 |
References
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