What is CVE-2023-48132?

CVE-2023-48132 is a medium-severity vulnerability in Linecorp Line, classified under Information Disclosure. CVSS score: 5.4/10. Published 2024-01-26.

How severe is CVE-2023-48132?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Information disclosure in Linecorp Line

CVE-2023-48132

An issue in kosei entertainment esportsstudioLegends mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.

Vulnerability class: Information Disclosure

Published 2024-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linecorp Line — versions 13.6.1

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/syz913/CVE-reports/blob/main/esportsstudioLegends.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-48132?: CVE-2023-48132 is a medium-severity vulnerability in Linecorp Line, classified under Information Disclosure. CVSS score: 5.4/10. Published 2024-01-26.
How severe is CVE-2023-48132?: Medium severity. CVSS v3 base score is 5.4 out of 10.