Twilio Authy Information Disclosure Vulnerability (CVE-2024-39891)
Severity: medium · Patch status: unknown · Since 2024-07-23 · CVE-2024-39891
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. CISA added CVE-2024-39891 to its Known Exploited Vulnerabilities catalog on Jul 23, 2024, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Aug 13, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
