CVE-2025-5715

Severity CVSS v4.0:

LOW

Type:

Unavailable / Other

Publication date:

06/06/2025

Last modified:

17/09/2025

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.

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 1.00 LOW
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

Attack Vector (AV): Physical
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): Low
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): POC

Base Score 4.0

1.00

Severity 4.0

LOW

Vector 3.x

CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 3.80 LOW
Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector (AV): Physical
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): Low

Base Score 3.x

3.80

Severity 3.x

LOW

Vector 2.0

AV:L/AC:H/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:L/AC:H/Au:S/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical