CVE-2025-14020

MEDIUM CVSS 3.1: 4.3 EPSS 0.18%
Updated Oct 07, 2026
Linecorp
Parameter Value
CVSS 4.3 (MEDIUM)
Affected Versions before 14.20.0
Fixed In 14.20.0
Type CWE-451
Vendor Linecorp
Public PoC No

LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Linecorp Line
cpe:2.3:a:linecorp:line:*:*:*:*:*:android:*:*
— 14.20.0