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CVE-2025-14022

Quick assessment

Affected
LINE Corporation LINE client for iOS
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 Corporation Line Client For Ios是日本Line Corporation公司的一个通讯应用程序。 Line Corporation Line Client For Ios 15.4之前版本存在安全漏洞，该漏洞源于SSL/TLS证书验证不当，可能导致中间人攻击。

CVSS 7.7 · High EPSS 0.16% · P5
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I. Basic Information for CVE-2025-14022

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
LINE client for iOS prior to 15.4 allows man-in-the-middle attacks due to improper SSL/TLS certificate validation in an integrated financial SDK. The SDK interfered with the application's network processing, causing server certificate verification to be disabled for a significant portion of network traffic, which could allow a network-adjacent attacker to intercept or modify encrypted communications.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Line Corporation Line Client For Ios 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Line Corporation Line Client For Ios是日本Line Corporation公司的一个通讯应用程序。 Line Corporation Line Client For Ios 15.4之前版本存在安全漏洞，该漏洞源于SSL/TLS证书验证不当，可能导致中间人攻击。
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 iOS 15.3 ~ 15.4 -

II. Public POCs for CVE-2025-14022

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III. Intelligence Information for CVE-2025-14022

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Other References for CVE-2025-14022 (1)

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

CVE-2025-14020 5.4 MEDIUM LINE client for Android 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 iOS
Same vendor: LINE Corporation

V. Comments for CVE-2025-14022

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