Vulnerability CVE-2021-22199

Vulnerability Name:

CVE-2021-22199 (CCN-200615)

Assigned:

2021-04-01

Published:

2021-04-01

Updated:

2021-04-30

Summary:

An issue has been discovered in GitLab affecting all versions starting with 12.9. GitLab was vulnerable to a stored XSS if scoped labels were used.

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)
5.2 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:H/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

3.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N)
3.4 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:H/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): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): None 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

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

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

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2021-22199

Source: XF
Type: UNKNOWN
gitlab-cve202122199-xss(200615)

Source: CCN
Type: GitLab Web site
CVE-2021-22199

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22199.json

Source: MISC
Type: Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/291004

Source: MISC
Type: Permissions Required, Third Party Advisory
https://hackerone.com/reports/1050189

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.10.0 and < 13.10.1)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.10.0 and < 13.10.1)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.9.0 and < 13.9.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.9.0 and < 13.9.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 12.9 and < 13.8.7)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 12.9 and < 13.8.7)

Configuration CCN 1:

cpe:/a:gitlab:gitlab:12.9.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:13.9:*:*:*:*:*:*:*

Denotes that component is vulnerable

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