CVE-2023-5554

CVE-2023-5554 is a medium-severity vulnerability in Linecorp Line with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Description

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

Frequently asked questions

What is CVE-2023-5554?
Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
How severe is CVE-2023-5554?
CVE-2023-5554 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-5554 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5554?
CVE-2023-5554 affects Linecorp Line. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5554?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5554 published?
CVE-2023-5554 was published on 2023-10-12 and last updated on 2026-06-17.

References

Affected products (1)

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