What is CVE-2021-38388?

CVE-2021-38388 is a high-severity vulnerability in Linecorp Central Dogma, classified under Missing Authorization. CVSS score: 8.8/10. Published 2021-09-08.

How severe is CVE-2021-38388?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Linecorp Central Dogma

CVE-2021-38388

Central Dogma allows privilege escalation with mirroring to the internal dogma repository that has a file managing the authorization of the project.

Vulnerability class: Broken Access Control

Published 2021-09-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Linecorp Central Dogma
Line Corporation Central Dogma — versions 0.51.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/line/centraldogma/pull/621 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-38388?: CVE-2021-38388 is a high-severity vulnerability in Linecorp Central Dogma, classified under Missing Authorization. CVSS score: 8.8/10. Published 2021-09-08.
How severe is CVE-2021-38388?: High severity. CVSS v3 base score is 8.8 out of 10.