CVE-2023-5554
Lack of TLS certificate verification in log transmission of a financial module within LINE Client...
Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
- Record
CVE-2023-5554- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2023-57854
Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
- Record
EUVD-2023-57854- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9q93-64jr-x633
Lack of TLS certificate verification in log transmission of a financial module within LINE Client...
Lack of TLS certificate verification in log transmission of a financial module within LINE Client for iOS prior to 13.16.0.
- Record
GHSA-9q93-64jr-x633- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
NVD
Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
- Record
CVE-2023-5554- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-295
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-5554 is a medium vulnerability (CVSS 4.8) in Line Corporation Client For Ios, published October 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.