Vulnerability CVE-2021-22183

Vulnerability Name:

CVE-2021-22183 (CCN-197785)

Assigned:

2021-03-03

Published:

2021-03-03

Updated:

2021-03-10

Summary:

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.

CVSS v3 Severity:

5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

6.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)
5.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2021-22183

Source: XF
Type: UNKNOWN
gitlab-cve202122183-xss(197785)

Source: CCN
Type: GitLab Web site
CVE-2021-22183

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22183.json

Source: MISC
Type: Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/294176

Source: MISC
Type: Permissions Required, Third Party Advisory
https://hackerone.com/reports/1055814

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 11.8 and < 13.6.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 11.8 and < 13.6.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.7.0 and < 13.7.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.7.0 and < 13.7.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.8.0 and < 13.8.2)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.8.0 and < 13.8.2)

Configuration CCN 1:

cpe:/a:gitlab:gitlab:13.8.1:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.7.5:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.7.4:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.7.3:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:11.8:*:*:*:community:*:*:*

Denotes that component is vulnerable

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