Home/CVE/Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16
CVE

CVE-2023-5554

Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16

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

MEDIUM · CVSS 4.8 EPSS 0.00137
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

1
linecorp line< 13.16.0
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Reverse Shell Command Line
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · dl_cve@linecorp.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Oct 2023 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://hackerone.com/reports/2106827Permissions Required
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