CVE-2023-45559

CVE-2023-45559 is a high-severity vulnerability in Linecorp Line with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel access token.

Frequently asked questions

What is CVE-2023-45559?
An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel access token.
How severe is CVE-2023-45559?
CVE-2023-45559 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2023-45559 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45559?
CVE-2023-45559 affects Linecorp Line. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45559?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-45559 have an EU (EUVD) identifier?
Yes. CVE-2023-45559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-49851.
When was CVE-2023-45559 published?
CVE-2023-45559 was published on 2024-01-03 and last updated on 2026-07-05.

References

Affected products (1)

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