How severe is CVE-2023-20513?

CVE-2023-20513 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-20513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-20513?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-20513 have an EU (EUVD) identifier?

Yes. CVE-2023-20513 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24692.

When was CVE-2023-20513 published?

CVE-2023-20513 was published on 2024-08-13 and last updated on 2026-06-17.

CVE-2023-20513

CVE-2023-20513 is a low-severity vulnerability with a CVSS 3.x base score of 3.3. 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-787.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-24692
Weakness: CWE-787
Published: 2024-08-13
Last modified: 2026-06-17

Description

An insufficient bounds check in PMFW (Power Management Firmware) may allow an attacker to utilize a malicious VF (virtualization function) to send a malformed message, potentially resulting in a denial of service.

Frequently asked questions

What is CVE-2023-20513?: An insufficient bounds check in PMFW (Power Management Firmware) may allow an attacker to utilize a malicious VF (virtualization function) to send a malformed message, potentially resulting in a denial of service.
How severe is CVE-2023-20513?: CVE-2023-20513 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-20513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-20513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-20513 have an EU (EUVD) identifier?: Yes. CVE-2023-20513 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24692.
When was CVE-2023-20513 published?: CVE-2023-20513 was published on 2024-08-13 and last updated on 2026-06-17.

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html

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