What is CVE-2024-39891?

CVE-2024-39891 is a medium-severity vulnerability in N/a. CVSS score: 5.3/10. Published 2024-07-02.

How severe is CVE-2024-39891?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2024-39891 known to be exploited?

Yes. CVE-2024-39891 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-07-23), indicating it is being actively exploited.

Vulnerability in N/a

CVE-2024-39891

In the Twilio Authy API, accessed by Authy Android before 25.1.0 and Authy iOS before 26.1.0, an unauthenticated endpoint provided access to certain phone-number data, as exploited in the wild in June 2024. Specifically, the endpoint accep…

EPSS: 0.171 (95.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-07-23. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-08-13.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

Frequently asked questions

What is CVE-2024-39891?: CVE-2024-39891 is a medium-severity vulnerability in N/a. CVSS score: 5.3/10. Published 2024-07-02.
How severe is CVE-2024-39891?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-39891 known to be exploited?: Yes. CVE-2024-39891 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-07-23), indicating it is being actively exploited.