CVE-2021-22177

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

Potential DoS was identified in gitlab-shell in GitLab CE/EE version 12.6.0 or above, which allows an attacker to spike the server resource utilization via gitlab-shell command.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
GitLab	GitLab	>=12.6, <13.6.7; >=13.7, <13.7.7; >=13.8, <13.8.4

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22177.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/238988Broken Link
https://hackerone.com/reports/953444Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22177.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/238988Broken Link
https://hackerone.com/reports/953444Permissions Required, Third Party Advisory

Timeline

Published: Apr 1, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-221785.0An issue has been discovered in GitLab affecting all versions starting from 13.2. Gitlab was vulnerable to SRRF attack through the Prometheu CVE-2021-221795.4A vulnerability was discovered in GitLab versions before 12.2. GitLab was vulnerable to a SSRF attack through the Outbound Requests feature.CVE-2021-22188.3Vulnerability in the PeopleSoft Enterprise PT PeopleTools product of Oracle PeopleSoft (component: Health Center). Supported versions that a CVE-2021-221804.3An issue has been discovered in GitLab affecting all versions starting from 13.4. Improper access control allows unauthorized users to acces CVE-2021-221816.5A denial of service vulnerability in GitLab CE/EE affecting all versions since 11.8 allows an attacker to create a recursive pipeline relati 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