CVE-2021-39871 : In all versions of GitLab CE/EE since version 13.0, an instance that has the setting to disable Bitbucket Server import

In all versions of GitLab CE/EE since version 13.0, an instance that has the setting to disable Bitbucket Server import enabled is bypassed by an attacker making a crafted API call.

Published 2021-10-04 17:15:08

Updated 2021-10-12 19:52:42

Source GitLab Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-39871

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 28 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-39871

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	2.8	1.4	GitLab Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

References for CVE-2021-39871

Products affected by CVE-2021-39871

Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.0.0 and before (<) 14.1.7
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.0.0 and before (<) 14.1.7
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 14.2.0 and before (<) 14.2.5
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 14.2.0 and before (<) 14.2.5
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Version: 4.3.0 Community Edition
cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Version: 4.3.0 Enterprise Edition
cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:enterprise:*:*:*
Matching versions

Vulnerability Details : CVE-2021-39871

Exploit prediction scoring system (EPSS) score for CVE-2021-39871

CVSS scores for CVE-2021-39871

References for CVE-2021-39871

Products affected by CVE-2021-39871