CVE-2021-22181

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A denial of service vulnerability in GitLab CE/EE affecting all versions since 11.8 allows an attacker to create a recursive pipeline relationship and exhaust resources.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
GitLab	GitLab	>=11.8, <13.10.5; >=13.11, <13.11.5; >=13.12, <13.12.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22181.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/249100Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22181.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/249100Broken Link

Timeline

Published: Jun 11, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-221825.4An issue has been discovered in GitLab affecting all versions starting with 13.7. GitLab was vulnerable to a stored XSS in merge request.CVE-2021-221835.4An issue has been discovered in GitLab affecting all versions starting with 11.8. GitLab was vulnerable to a stored XSS in the epics page, w CVE-2021-221845.5An information disclosure issue in GitLab starting from version 12.8 allowed a user with access to the server logs to see sensitive informat CVE-2021-221855.4Insufficient input sanitization in wikis in GitLab version 13.8 and up allows an attacker to exploit a stored cross-site scripting vulnerabi CVE-2021-221864.9An authorization issue in GitLab CE/EE version 9.4 and up allowed a group maintainer to modify group CI/CD variables which should be restric CVE-2021-221874.3An issue has been discovered in GitLab affecting all versions of Gitlab EE/CE before 13.6.7. A potential resource exhaustion issue that allo CVE-2021-221885.3An issue has been discovered in GitLab affecting all versions starting with 13.0. Confidential issue titles in Gitlab were readable by an un CVE-2021-221897.2Starting with version 13.7 the Gitlab CE/EE editions were affected by a security issue related to the validation of the certificates for the CVE-2021-22197.4Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: SQR). Supported versions that are affected a CVE-2021-221906.5A path traversal vulnerability via the GitLab Workhorse in all versions of GitLab could result in the leakage of a JWT token CVE-2021-221918.8Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or crafted CVE-2021-221928.8An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 allowing unauthorized authenticated users to execute