CVE-2021-22172 : Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccess

Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page

Published 2021-03-26 20:15:12

Updated 2022-05-03 16:04:40

Source GitLab Inc.

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2021-22172

Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.8.0 and before (<) 13.8.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.8.0 and before (<) 13.8.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.7.0 and before (<) 13.7.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 12.8.0 and before (<) 13.6.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.7.0 and before (<) 13.7.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 12.8.0 and before (<) 13.6.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 33 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	GitLab Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22172.json

2021/CVE-2021-22172.json · master · GitLab.org / cves · GitLab
Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/212911

Guest user can see tag names (#212911) · Issues · GitLab.org / GitLab · GitLab
Exploit;Issue Tracking;Patch;Vendor Advisory
https://hackerone.com/reports/833334

Sign in
Permissions Required;Third Party Advisory

Jump to