Privilege escalation in Linecorp Onigiriya-Musubee

CVE-2023-39740

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

Vulnerability class: Privilege Escalation

EPSS: 0.006 (44.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-39740?
CVE-2023-39740 is a high-severity vulnerability in Linecorp Onigiriya-Musubee, classified under Improper Privilege Management. CVSS score: 8.2/10. Published 2023-10-25.
How severe is CVE-2023-39740?
High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2023-39740 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.