Information disclosure in Linecorp Fukunaga Memberscard

CVE-2023-39736

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

Vulnerability class: Information Disclosure

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.006 (45.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-39736: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-39736?
CVE-2023-39736 is a high-severity vulnerability in Linecorp Fukunaga Memberscard, classified under Information Disclosure. CVSS score: 8.2/10. Published 2023-10-25.
How severe is CVE-2023-39736?
High severity. CVSS v3 base score is 8.2 out of 10.