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CVE-2024-39891: Twilio Authy Information Disclosure Vulnerability
Twilio Authy · in CISA KEV since 2024-07-23
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2024-07-23added to KEV
2024-08-13federal remediation due date
1.67%EPSS exploit probability (30 days) 75.9th percentile
5.3 MEDIUMCVSS 3.1
Unknownknown ransomware use
21days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-203 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD published | 2024-07-02 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2024-39891.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.