Observable discrepancy in Authy for Android and Authy for iOS - CVE-2024-39891
Published: July 26, 2024
Vulnerability identifier: #VU94744
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2024-39891
CWE-ID: CWE-203
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Twilio
Affected software:
Authy for Android
Authy for iOS
Authy for Android
Authy for iOS
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an unauthenticated endpoint provides access to certain phone-number data. A remote attacker can verify the phone numbers of the target application users.
How to mitigate CVE-2024-39891
Install updates from vendor's website.