What’s Vulnerable › Vulnerabilities

CVE-2023-5554

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-12 · updated 2026-06-17
• Weakness: CWE-295

Description

Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.

Affected products

• LINE Corporation LINE client for iOS: before 13.16.0 — fixed in 13.16.0

How to fix

Upgrade to a fixed version: LINE Corporation LINE client for iOS 13.16.0. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/2106827
• https://hackerone.com/reports/2106827

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