CVE-2025-5715
Signal App Biometric Authentication missing critical step in authentication
- State
- Published
- Severity
- 1.0 Low
- Published
- Jun 6, 2025
- Updated
- Jun 9, 2025
- Reserved
- Jun 5, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 1.0 Low | CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.8 Low | 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 | VulDB |
| 3.0 | 3.8 Low | CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 3.5 Low | AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-304 Missing Critical Step in Authentication
Affected Products
| Product | Versions |
|---|---|
AppSignal |
|
References
- VDB-311236 | Signal App Biometric Authentication missing critical step in authenticationvdb-entry
- VDB-311236 | CTI Indicators (IOB, IOC)signaturepermissions-required
- Submit #585069 | Signal Signal Android App 7.41.4 (Current) Improper Authenticationthird-party-advisory
- https://drive.google.com/file/d/1tI0bC8X8546ActlzGlmSU-AhCdD950y4/view?usp=drivesdkexploit
- https://drive.google.com/file/d/1tI0bC8X8546ActlzGlmSU-AhCdD950y4/viewexploit
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