How severe is CVE-2023-20582?

CVE-2023-20582 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-20582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-20582?

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

Does CVE-2023-20582 have an EU (EUVD) identifier?

Yes. CVE-2023-20582 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24761.

When was CVE-2023-20582 published?

CVE-2023-20582 was published on 2025-02-11 and last updated on 2026-06-17.

CVE-2023-20582

CVE-2023-20582 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-1284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-24761
Weakness: CWE-1284
Published: 2025-02-11
Last modified: 2026-06-17

Description

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Frequently asked questions

What is CVE-2023-20582?: Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.
How severe is CVE-2023-20582?: CVE-2023-20582 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-20582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-20582?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-20582 have an EU (EUVD) identifier?: Yes. CVE-2023-20582 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24761.
When was CVE-2023-20582 published?: CVE-2023-20582 was published on 2025-02-11 and last updated on 2026-06-17.

References

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