Vulnerability in Linecorp Line
CVE-2025-14020
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.
EPSS: 0.002 (4.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Linecorp Line
- Line Corporation Client For Android — versions 10.0
Weakness classification (CWE)
References
- dl_cve@linecorp.com (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-14020?
- CVE-2025-14020 is a medium-severity vulnerability in Linecorp Line, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 5.4/10. Published 2025-12-15.
- How severe is CVE-2025-14020?
- Medium severity. CVSS v3 base score is 5.4 out of 10.