Vulnerability CVE-2021-22172

Vulnerability Name:

CVE-2021-22172 (CCN-198878)

Assigned:

2021-03-26

Published:

2021-03-26

Updated:

2022-05-03

Summary:

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

CVSS v3 Severity:

4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): None Availibility (A): None

4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): None Availibility (A): None

CVSS v2 Severity:

4.0 Medium (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 Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None 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-200

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2021-22172

Source: XF
Type: UNKNOWN
gitlab-cve202122172-info-disc(198878)

Source: CCN
Type: GitLab Web site
CVE-2021-22172.json

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22172.json

Source: MISC
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/212911

Source: MISC
Type: Permissions Required, Third Party Advisory
https://hackerone.com/reports/833334

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-22172

Vulnerable Configuration:

Configuration 1:

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

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

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

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

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 12.8.0 and < 13.6.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 12.8.0 and < 13.6.6)

Configuration CCN 1:

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

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

OR cpe:/a:gitlab:gitlab:13.6.5:*:*:*:*:*:*:*

Denotes that component is vulnerable

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