CVE-2023-20515

MEDIUMNVD 5.75.7—

5.7

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.

CVSS v3: 5.7
EG Score: 5.7(medium)
EPSS: 13.7%
KEV: Not listed

Published

February 11, 2025

Last Modified

April 15, 2026

References (2)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1284Improper Validation of Specified Quantity in Input

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-20515?

CVE-2023-20515 is a medium vulnerability published on February 11, 2025. 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.

When was CVE-2023-20515 disclosed?

CVE-2023-20515 was first published in the National Vulnerability Database on February 11, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-20515 actively exploited?

CVE-2023-20515 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-20515?

CVE-2023-20515 has a CVSS v3 base score of 5.7 (NVD).

How do I remediate CVE-2023-20515?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20515, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-20515

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-20515?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)