CVE-2021-39938
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands
Overview
- CVE ID
- CVE-2021-39938
- Assigner
- cve@gitlab.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-13T16:15:09
- Last Modified Date
- 2021-12-15T18:55:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 8.15.0 | 14.3.6 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 8.15.0 | 14.3.6 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.4.0 | 14.4.4 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.4.0 | 14.4.4 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 1 | OR | 14.5.0 | 14.5.2 |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 1 | OR | 14.5.0 | 14.5.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/344873 | Broken Link |
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-39938 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39938 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:41:08 | Added to TrackCVE | |||
| 2022-12-06 03:39:43 | 2021-12-13T16:15Z | 2021-12-13T16:15:09 | CVE Published Date | updated |
| 2022-12-06 03:39:43 | 2021-12-15T18:55:53 | CVE Modified Date | updated | |
| 2022-12-06 03:39:43 | Analyzed | Vulnerability Status | updated |