Signal App Biometric Authentication missing critical step in authentication

CVE Details

Basic Information

Title Signal App Biometric Authentication missing critical step in authentication
Type cve
Published 2025-06-06T03:00:20.411Z
Last Seen

Product Information

Vendor Signal
Product App
Version 7.41.4

CVSS Information

Base Score 1.0 (LOW)
Attack Vector 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
Confidentiality Impact
Integrity Impact
Availability Impact

AI Analysis

AI Description Signal App 7.41.4 on Android has a vulnerability in the Biometric Authentication Handler that allows bypassing authentication steps. The attack requires physical access and is complex to execute. The vulnerability is publicly disclosed and may be exploited.
AI Severity Medium
Vendor Signal Messenger LLC
Product Signal App
Affected Version 7.41.4

Affected Products

  • Signal App 7.41.4

Additional Information

CVE List
CWE List CWE-304
Bulletin Family

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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