Vulnerability · Published Jun 6, 2025 · Assigned by VulDB
CVE-2025-5715Signal App Biometric Authentication missing critical step in authentication
Low 3.8
In plain English
A low-severity security flaw in App from Signal. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Official description
A vulnerability was found in Signal App 7.41.4 on Android. It has been declared as problematic. This vulnerability affects unknown code of the component Biometric Authentication Handler. The manipulation leads to missing critical step in authentication. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
Weakness: CWE-304 · Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-311236 | Signal App Biometric Authentication missing critical step in authentication vdb-entry
- VDB-311236 | CTI Indicators (IOB, IOC) signature, permissions-required
- Submit #585069 | Signal Signal Android App 7.41.4 (Current) Improper Authentication third-party-advisory
- https://drive.google.com/file/d/1tI0bC8X8546ActlzGlmSU-AhCdD950y4/view?usp=drivesdk exploit
- https://drive.google.com/file/d/1tI0bC8X8546ActlzGlmSU-AhCdD950y4/view exploit