CVE-2021-39881

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

05/10/2021

Last modified:

09/10/2021

Description

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.50 LOW
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

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

Base Score 3.x

3.50

Severity 3.x

LOW

Vector 2.0

AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

3.50

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gitlab:gitlab:::::community:::*	7.7.0 (including)	14.1.7 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	7.7.0 (including)	14.1.7 (excluding)
cpe:2.3:a:gitlab:gitlab:::::community:::*	14.2.0 (including)	14.2.5 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	14.2.0 (including)	14.2.5 (excluding)
cpe:2.3:a:gitlab:gitlab:::::community:::*	14.3.0 (including)	14.3.1 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	14.3.0 (including)	14.3.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-39881

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools