CVE-2021-39946
CVSS V2 Low 3.5
CVSS V3 Medium 5.4
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
Overview
- CVE ID
- CVE-2021-39946
- Assigner
- cve@gitlab.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-18T17:15:08
- Last Modified Date
- 2022-01-25T16:35:57
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.3 | 14.3.6 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.3 | 14.3.6 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.4 | 14.4.4 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.4 | 14.4.4 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.5 | 14.5.2 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.5 | 14.5.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.4
- Base Severity
- MEDIUM
- Exploitability Score
- 2.3
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json | Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/issues/345657 | Broken Link Vendor Advisory |
| https://hackerone.com/reports/1398305 | Permissions Required Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-39946 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39946 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:36:16 | Added to TrackCVE | |||
| 2022-12-06 06:53:34 | 2022-01-18T17:15Z | 2022-01-18T17:15:08 | CVE Published Date | updated |
| 2022-12-06 06:53:34 | 2022-01-25T16:35:57 | CVE Modified Date | updated | |
| 2022-12-06 06:53:34 | Analyzed | Vulnerability Status | updated |