Vulnerability in Twilio Authy
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: 0.015 (71.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Twilio Authy
- Twilio Authy_authenticator
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . 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: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
References
- cve@mitre.org (Technical Description)
- cve@mitre.org (Product)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Press/Media Coverage)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2024-39891?
- CVE-2024-39891 is a medium-severity vulnerability in Twilio Authy, classified under Observable Discrepancy. 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.