CVE-2025-5715: signal Missing Auth — Exploit

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.

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CVSS v3.1 Score

3.8

LOW

CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-304 CWE-304

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
signal	signal	All

References

Exploits

https://drive.google.com/file/d/1tI0bC8X8546ActlzGlmSU-AhCdD950y4/view?usp=drivesdk https://drive.google.com/file/d/1tI0bC8X8546ActlzGlmSU-AhCdD950y4/view

Other References

https://vuldb.com/?ctiid.311236 https://vuldb.com/?id.311236 https://vuldb.com/?submit.585069

Frequently Asked Questions

What is CVE-2025-5715? +

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. It has a CVSS v3.1 base score of 3.8 (LOW).

How severe is CVE-2025-5715? +

CVE-2025-5715 has a CVSS v3.1 score of 3.8 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-5715? +

CVE-2025-5715 affects products from signal, specifically: signal. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-5715? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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