Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-39946

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
18/01/2022
Last modified:
25/01/2022

Description

Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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

Base Score 3.x
5.40
Severity 3.x
MEDIUM
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:*:*:* 14.3 (including) 14.3.6 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 14.3 (including) 14.3.6 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 14.4 (including) 14.4.4 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 14.4 (including) 14.4.4 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 14.5 (including) 14.5.2 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 14.5 (including) 14.5.2 (excluding)

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


References to Advisories, Solutions, and Tools