How severe is CVE-2023-20515?

CVE-2023-20515 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-20515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-20515?

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

Does CVE-2023-20515 have an EU (EUVD) identifier?

Yes. CVE-2023-20515 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24694.

When was CVE-2023-20515 published?

CVE-2023-20515 was published on 2025-02-11 and last updated on 2026-06-17.

CVE-2023-20515

CVE-2023-20515 is a medium-severity vulnerability with a CVSS 3.x base score of 5.7. 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-1284.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-24694
Weakness: CWE-1284
Published: 2025-02-11
Last modified: 2026-06-17

Description

Improper access control in the fTPM driver in the trusted OS could allow a privileged attacker to corrupt system memory, potentially leading to loss of integrity, confidentiality, or availability.

Frequently asked questions

What is CVE-2023-20515?: Improper access control in the fTPM driver in the trusted OS could allow a privileged attacker to corrupt system memory, potentially leading to loss of integrity, confidentiality, or availability.
How severe is CVE-2023-20515?: CVE-2023-20515 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-20515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-20515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-20515 have an EU (EUVD) identifier?: Yes. CVE-2023-20515 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24694.
When was CVE-2023-20515 published?: CVE-2023-20515 was published on 2025-02-11 and last updated on 2026-06-17.

References

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