CVE-2021-39887
CVSS V2 Low 3.5
CVSS V3 Medium 5.4
Description
A stored Cross-Site Scripting vulnerability in the GitLab Flavored Markdown in GitLab CE/EE version 8.4 and above allowed an attacker to execute arbitrary JavaScript code on the victim's behalf.
Overview
- CVE ID
- CVE-2021-39887
- Assigner
- cve@gitlab.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-05T12:15:07
- Last Modified Date
- 2021-10-08T19:02:49
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 8.4.0 | 14.1.7 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 8.4.0 | 14.1.7 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.2 | 14.2.5 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.2 | 14.2.5 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.3 | 14.3.1 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.3 | 14.3.1 |
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://hackerone.com/reports/1218174 | Permissions Required Third Party Advisory |
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39887.json | Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/issues/332903 | Broken Link |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-39887 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39887 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:51:57 | Added to TrackCVE | |||
| 2022-12-05 11:48:02 | 2021-10-05T12:15Z | 2021-10-05T12:15:07 | CVE Published Date | updated |
| 2022-12-05 11:48:02 | 2021-10-08T19:02:49 | CVE Modified Date | updated | |
| 2022-12-05 11:48:02 | Analyzed | Vulnerability Status | updated |