What’s Vulnerable › Vulnerabilities

CVE-2023-39737

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-25 · updated 2026-06-17
• Weakness: CWE-200

Description

The leakage of the client secret in Matsuya Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.

Affected products

• Linecorp Matsuya: 13.6.1

References

• https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md
• https://liff.line.me/1657535522-JD5Q5Yp1
• https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39737.md
• https://liff.line.me/1657535522-JD5Q5Yp1

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