What is CVE-2025-14022?

CVE-2025-14022 is a high-severity vulnerability in Linecorp Line, classified under Improper Certificate Validation. CVSS score: 7.7/10. Published 2025-12-15.

How severe is CVE-2025-14022?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Linecorp Line

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 veri…

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Linecorp Line
Line Corporation Client For Ios — versions 15.3

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

dl_cve@linecorp.com (Permissions Required, Third Party Advisory)

Frequently asked questions

What is CVE-2025-14022?: CVE-2025-14022 is a high-severity vulnerability in Linecorp Line, classified under Improper Certificate Validation. CVSS score: 7.7/10. Published 2025-12-15.
How severe is CVE-2025-14022?: High severity. CVSS v3 base score is 7.7 out of 10.