Vulnerability CVE-2021-22237

Vulnerability Name:

CVE-2021-22237 (CCN-208282)

Assigned:

2021-08-23

Published:

2021-08-23

Updated:

2021-08-31

Summary:

Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git actions even if impersonation is disabled. This vulnerability is present in GitLab CE/EE versions before 13.12.9, 14.0.7, 14.1.2

CVSS v3 Severity:

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

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

6.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)

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

CVSS v2 Severity:

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

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

7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-384

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2021-22237

Source: XF
Type: UNKNOWN
gitlab-cve202122237-sec-bypass(208282)

Source: CCN
Type: GitLab Web site
CVE-2021-22237.json

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22237.json

Source: MISC
Type: Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/297516

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-22237

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.1.0 and < 13.12.9)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.1.0 and < 13.12.9)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 14.0.0 and < 14.0.7)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 14.0.0 and < 14.0.7)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 14.1.0 and < 14.1.2)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 14.1.0 and < 14.1.2)

Configuration CCN 1:

cpe:/a:gitlab:gitlab:13.4:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:14.0.6:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.12.8:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:14.1.1:*:*:*:community:*:*:*

Denotes that component is vulnerable

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