How severe is CVE-2023-31322?

CVE-2023-31322 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2023-31322 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31322?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-31322 have an EU (EUVD) identifier?

Yes. CVE-2023-31322 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35633.

When was CVE-2023-31322 published?

CVE-2023-31322 was published on 2025-09-06 and last updated on 2026-06-17.

CVE-2023-31322

CVE-2023-31322 is a high-severity vulnerability with a CVSS 3.x base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-35633
Weakness: CWE-843
Published: 2025-09-06
Last modified: 2026-06-17

Description

Type confusion in the ASP could allow an attacker to pass a malformed argument to the Reliability, Availability, and Serviceability trusted application (RAS TA) potentially leading to a read or write to shared memory resulting in loss of confidentiality, integrity, or availability.

Frequently asked questions

What is CVE-2023-31322?: Type confusion in the ASP could allow an attacker to pass a malformed argument to the Reliability, Availability, and Serviceability trusted application (RAS TA) potentially leading to a read or write to shared memory resulting in loss of confidentiality, integrity, or availability.
How severe is CVE-2023-31322?: CVE-2023-31322 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2023-31322 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-31322?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-31322 have an EU (EUVD) identifier?: Yes. CVE-2023-31322 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35633.
When was CVE-2023-31322 published?: CVE-2023-31322 was published on 2025-09-06 and last updated on 2026-06-17.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

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