CVE-2025-14022: line Cert Validation Flaw (CVSS 7.7)

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.

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CVSS v3.1 Score

7.7

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Weakness Type (CWE)

CWE-295 CWE-295

Affected Products

Vendor	Product	Versions
linecorp	line	< 15.4.0

References

Other References

https://hackerone.com/reports/2853445

Frequently Asked Questions

What is CVE-2025-14022? +

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. It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2025-14022? +

CVE-2025-14022 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-14022? +

CVE-2025-14022 affects products from linecorp, specifically: line. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-14022? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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