What is CVE-2023-39731?

CVE-2023-39731 is a medium-severity vulnerability in Line Kaibutsunosato, classified under Improper Access Control. CVSS score: 5.3/10. Published 2023-10-20.

How severe is CVE-2023-39731?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Line Kaibutsunosato

CVE-2023-39731

The leakage of the client secret in Kaibutsunosato v13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.

EPSS: 0.004 (29.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Line Kaibutsunosato — versions 13.6.1
N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-39731?: CVE-2023-39731 is a medium-severity vulnerability in Line Kaibutsunosato, classified under Improper Access Control. CVSS score: 5.3/10. Published 2023-10-20.
How severe is CVE-2023-39731?: Medium severity. CVSS v3 base score is 5.3 out of 10.