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CVE-2025-14020

Quick assessment

Affected
LINE Corporation LINE client for Android
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LINE client for Android是韩国LINE公司的一个即时通讯应用。 LINE client for Android 14.20之前版本存在安全漏洞，该漏洞源于应用内浏览器UI欺骗，可能导致钓鱼攻击。

CVSS 5.4 · Medium EPSS 0.18% · P7
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I. Basic Information for CVE-2025-14020

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
LINE client for Android 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LINE client for Android是韩国LINE公司的一个即时通讯应用。 LINE client for Android 14.20之前版本存在安全漏洞，该漏洞源于应用内浏览器UI欺骗，可能导致钓鱼攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LINE Corporation LINE client for Android 10.0 ~ 14.20 -

II. Public POCs for CVE-2025-14020

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III. Intelligence Information for CVE-2025-14020

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Other References for CVE-2025-14020 (1)

Same Patch Batch · LINE Corporation · 2025-12-15 · 5 CVEs total

CVE-2025-14022 7.7 HIGH Line Corporation Line Client For Ios 安全漏洞
CVE-2025-14021 4.3 MEDIUM Line Corporation Line Client For Ios 安全漏洞
CVE-2025-14019 3.4 LOW LINE client for Android 安全漏洞
CVE-2025-14023 3.1 LOW Line Corporation Line Client For Ios 安全漏洞

IV. Related Vulnerabilities

Same product: LINE client for Android
Same vendor: LINE Corporation

V. Comments for CVE-2025-14020

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