CVE-2021-22183 : An issue has been discovered in GitLab affecting all versions starting with 11.8

An issue has been discovered in GitLab affecting all versions starting with 11.8. GitLab was vulnerable to a stored XSS in the epics page, which could be exploited with user interactions.

Published 2021-03-04 15:15:13

Updated 2021-03-10 18:25:04

Source GitLab Inc.

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-22183

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 » Community Edition
Versions from including (>=) 11.8 and before (<) 13.6.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 11.8 and before (<) 13.6.6
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 » Community Edition
Versions from including (>=) 13.7.0 and before (<) 13.7.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-22183

EPSS FAQ

0.17%

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

~ 35 %

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

CVSS scores for CVE-2021-22183

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N	2.3	1.4	GitLab Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: None Availability: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-22183

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-22183

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22183.json

2021/CVE-2021-22183.json · master · GitLab.org / cves · GitLab
Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/294176

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Broken Link
https://hackerone.com/reports/1055814

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Vulnerability Details : CVE-2021-22183

Products affected by CVE-2021-22183

Exploit prediction scoring system (EPSS) score for CVE-2021-22183

CVSS scores for CVE-2021-22183

CWE ids for CVE-2021-22183

References for CVE-2021-22183