← Global Threat Landscape
CVE-2024-39891
CWE-203
Medium
66.0
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
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 accepted a stream of requests containing phone numbers, and responded with information about whether each phone number was registered with Authy. (Authy accounts were not compromised, however.)
Source: NVD
Signals
- CVSS
- 5.3
- Medium · v3.1
- EPSS
- 1.66%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Jul 2024
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-203
- Published
- 2 Jul 2024
- Last modified 5 Nov 2025
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
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Data as of 7 Oct 2026, 05:16 UK time