CVE-2023-5447

MEDIUMNVD 5.55.5—

5.5

Missing lock check in SynHsaService may create a use-after-free condition which causes abnormal termination of the service, resulting in denial of service for the Synaptics Hardware Support App.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 22.6%
KEV: Not listed

Published

May 14, 2024

Last Modified

April 15, 2026

References (2)

PSIRT@synapticshttps://www.synaptics.com/sites/default/files/2023-10/fingerprint-driver-HSAService-security-brief-2023-10-13.pdf
af854a3a-2127-422b-91ae-364da2661108https://www.synaptics.com/sites/default/files/2023-10/fingerprint-driver-HSAService-security-brief-2023-10-13.pdf

Weakness Classification(2)

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

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.

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

What is CVE-2023-5447?

CVE-2023-5447 is a medium vulnerability published on May 14, 2024. Missing lock check in SynHsaService may create a use-after-free condition which causes abnormal termination of the service, resulting in denial of service for the Synaptics Hardware Support App.

When was CVE-2023-5447 disclosed?

CVE-2023-5447 was first published in the National Vulnerability Database on May 14, 2024, 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-2023-5447 actively exploited?

CVE-2023-5447 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-5447?

CVE-2023-5447 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-5447?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5447, 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.

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CVE-2023-5447

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-5447?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)