CVE-2023-20514

HIGHNVD 8.7

8.7

Improper handling of parameters in the AMD Secure Processor (ASP) could allow a privileged attacker to pass an arbitrary memory value to functions in the trusted execution environment resulting in arbitrary code execution

CVSS v3: 8.7
EG Score: 0.0(none)
EPSS: 0.6%
KEV: Not listed

Published

February 11, 2026

Last Modified

April 15, 2026

References (2)

Weakness Classification(1)

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

CWE-233

Data Freshness Timeline

(refreshed 10× 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.

2026-05-29 13:43 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
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2026-05-21 22:41 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-20514?

CVE-2023-20514 is a high vulnerability published on February 11, 2026. Improper handling of parameters in the AMD Secure Processor (ASP) could allow a privileged attacker to pass an arbitrary memory value to functions in the trusted execution environment resulting in arbitrary code execution

When was CVE-2023-20514 disclosed?

CVE-2023-20514 was first published in the National Vulnerability Database on February 11, 2026, 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-2023-20514 actively exploited?

CVE-2023-20514 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-20514?

CVE-2023-20514 has a CVSS v3 base score of 8.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2023-20514?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20514, 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-2023-20514

📅 Published

🔄 Last Modified

🔗 References (2)