How severe is CVE-2024-1721?

CVE-2024-1721 has a CVSS 4.0 base score of 5.6, rated medium severity.

Is CVE-2024-1721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-1721?

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

Does CVE-2024-1721 have an EU (EUVD) identifier?

Yes. CVE-2024-1721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17455.

When was CVE-2024-1721 published?

CVE-2024-1721 was published on 2024-05-21 and last updated on 2026-06-17.

CVE-2024-1721

CVE-2024-1721 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.6. 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-347.

Key facts

Severity: Medium (CVSS 4.0 base score 5.6)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-17455
Weakness: CWE-347
Published: 2024-05-21
Last modified: 2026-06-17

Description

Improper Verification of Cryptographic Signature vulnerability in HYPR Passwordless on Windows allows Malicious Software Update.This issue affects HYPR Passwordless: before 9.1.

Frequently asked questions

What is CVE-2024-1721?: Improper Verification of Cryptographic Signature vulnerability in HYPR Passwordless on Windows allows Malicious Software Update.This issue affects HYPR Passwordless: before 9.1.
How severe is CVE-2024-1721?: CVE-2024-1721 has a CVSS 4.0 base score of 5.6, rated medium severity.
Is CVE-2024-1721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-1721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-1721 have an EU (EUVD) identifier?: Yes. CVE-2024-1721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17455.
When was CVE-2024-1721 published?: CVE-2024-1721 was published on 2024-05-21 and last updated on 2026-06-17.

References

https://www.hypr.com/trust-center/security-advisories

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