CVE-2023-43305

CVE-2023-43305 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 studio kent mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.

Frequently asked questions

What is CVE-2023-43305?
An issue in studio kent mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.
How severe is CVE-2023-43305?
CVE-2023-43305 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-2023-43305 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43305?
CVE-2023-43305 affects Linecorp Line. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43305?
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.
When was CVE-2023-43305 published?
CVE-2023-43305 was published on 2023-12-08 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Linecorp Line

All CVEs affecting Linecorp Line →