Coverage › CVE-2024-39891
CVE-2024-39891 Unmapped
Twilio Authy Information Disclosure Vulnerability
- Vendor / product
- Twilio — Authy
- Description (CISA)
- Twilio Authy contains an information disclosure vulnerability in its API that allows an unauthenticated endpoint to accept a request containing a phone number and respond with information about whether the phone number was registered with Authy.
- Added to KEV
- 2024-07-23
- Due date
- 2024-08-13
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Known ransomware use
- Unknown
- CWE
- CWE-203
- CISA notes
- https://www.twilio.com/en-us/changelog/Security_Alert_Authy_App_Android_iOS
https://nvd.nist.gov/vuln/detail/CVE-2024-39891 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2024-39891. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-203) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.