Is CVE-2023-20596 in the CISA KEV catalog?

No. CVE-2023-20596 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-20596?

CVE-2023-20596 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-20596?

CVE-2023-20596 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-20596?

Upgrade ryzen 3 5125c firmware to cezannepi-fp6_1.0.0.fa or later. Fixes are available for 64 affected products.

CVE & CISA-KEV Catalog

CVE-2023-20596

CRITICAL

9.8

CVSS v3

NVD

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.

How to fix

Remediation Available

ryzen 3 5125c firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 3 5300g firmwareNVD

Affected:< comboam4v2_1.2.0.bFixed in:comboam4v2_1.2.0.bCVE-2023-20596derived from NVD

ryzen 3 5300ge firmwareNVD

Affected:< comboam4v2_1.2.0.bFixed in:comboam4v2_1.2.0.bCVE-2023-20596derived from NVD

ryzen 3 5400u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 3 5425u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 3 7335u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 3 7440u firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 5 5500h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 5 5560u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 5 5600g firmwareNVD

Affected:< comboam4v2_1.2.0.bFixed in:comboam4v2_1.2.0.bCVE-2023-20596derived from NVD

ryzen 5 5600ge firmwareNVD

Affected:< comboam4v2_1.2.0.bFixed in:comboam4v2_1.2.0.bCVE-2023-20596derived from NVD

ryzen 5 5600h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 5 5600hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 5 5600u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 5 5625u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 5 6600h firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 5 6600hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 5 6600u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 5 7500f firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 5 7535hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 5 7535u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 5 7600 firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 5 7600x firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 5 7640h firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 5 pro 7540u firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 5 pro 7545u firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 5 pro 7640hs firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 5 pro 7640u firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 5 pro 7645 firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 7 5700g firmwareNVD

Affected:< comboam4v2_1.2.0.bFixed in:comboam4v2_1.2.0.bCVE-2023-20596derived from NVD

ryzen 7 5700ge firmwareNVD

Affected:< comboam4v2_1.2.0.bFixed in:comboam4v2_1.2.0.bCVE-2023-20596derived from NVD

ryzen 7 5800h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 7 5800hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 7 5800u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 7 5825u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 7 6800h firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 7 6800hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 7 6800u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 7 7700 firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 7 7700x firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 7 7735hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 7 7735u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 7 7736u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 7 7800x3d firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 7 7840h firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 7 pro 7745 firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 7 pro 7840hs firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 7 pro 7840u firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 9 5900hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 9 5900hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 9 5980hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 9 5980hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.faFixed in:cezannepi-fp6_1.0.0.faCVE-2023-20596derived from NVD

ryzen 9 6900hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 9 6900hx firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 9 6980hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 9 6980hx firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.9bFixed in:rembrandtpi-fp7_1.0.0.9bCVE-2023-20596derived from NVD

ryzen 9 7900 firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 9 7900x3d firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 9 7900x firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 9 7940h firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 9 7950x3d firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 9 7950x firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

ryzen 9 pro 7940hs firmwareNVD

Affected:< phoenixpi-fp8-fp7_1.0.0.2Fixed in:phoenixpi-fp8-fp7_1.0.0.2CVE-2023-20596derived from NVD

ryzen 9 pro 7945 firmwareNVD

Affected:< comboam5pi_1.0.8.0Fixed in:comboam5pi_1.0.8.0CVE-2023-20596derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

amd.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.