How severe is CVE-2023-5447?

CVE-2023-5447 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-5447 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-2023-5447?

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

Does CVE-2023-5447 have an EU (EUVD) identifier?

Yes. CVE-2023-5447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57762.

When was CVE-2023-5447 published?

CVE-2023-5447 was published on 2024-05-14 and last updated on 2026-06-17.

CVE-2023-5447

CVE-2023-5447 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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-414.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-57762
Weakness: CWE-414
Published: 2024-05-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-5447?: 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.
How severe is CVE-2023-5447?: CVE-2023-5447 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-5447 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-2023-5447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-5447 have an EU (EUVD) identifier?: Yes. CVE-2023-5447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57762.
When was CVE-2023-5447 published?: CVE-2023-5447 was published on 2024-05-14 and last updated on 2026-06-17.

References

https://www.synaptics.com/sites/default/files/2023-10/fingerprint-driver-HSAService-security-brief-2023-10-13.pdf

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