How severe is CVE-2021-38388?

CVE-2021-38388 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38388?

CVE-2021-38388 affects Linecorp Central Dogma. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38388?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-38388 published?

CVE-2021-38388 was published on 2021-09-08 and last updated on 2026-06-17.

CVE-2021-38388

CVE-2021-38388 is a high-severity vulnerability in Linecorp Central Dogma with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Linecorp Central Dogma
Published: 2021-09-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2021-38388?: CVE-2021-38388 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38388?: CVE-2021-38388 affects Linecorp Central Dogma. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38388?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-38388 published?: CVE-2021-38388 was published on 2021-09-08 and last updated on 2026-06-17.

References

https://github.com/line/centraldogma/pull/621

Affected products (1)

cpe:2.3:a:linecorp:central_dogma:*:*:*:*:*:*:*:*

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