What is CVE-2021-39877?

CVE-2021-39877 is a high-severity vulnerability in Gitlab, classified under Uncontrolled Resource Consumption. CVSS score: 7.7/10. Published 2021-10-04.

How severe is CVE-2021-39877?

High severity. CVSS v3 base score is 7.7 out of 10.

Resource exhaustion in Gitlab

CVE-2021-39877

A vulnerability was discovered in GitLab starting with version 12.2 that allows an attacker to cause uncontrolled resource consumption with a specially crafted file.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.010 (60.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Gitlab — versions >=12.2, <14.1.7, >=14.2, <14.2.5, >=14.3, <14.3.1

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39877?: CVE-2021-39877 is a high-severity vulnerability in Gitlab, classified under Uncontrolled Resource Consumption. CVSS score: 7.7/10. Published 2021-10-04.
How severe is CVE-2021-39877?: High severity. CVSS v3 base score is 7.7 out of 10.