CVE-2021-22870
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.
Overview
- CVE ID
- CVE-2021-22870
- Assigner
- product-cna@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-10T02:15:06
- Last Modified Date
- 2021-11-16T15:06:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* | 1 | OR | 3.0.19 | |
| cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* | 1 | OR | 3.1.0 | 3.1.11 |
| cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* | 1 | OR | 3.2.0 | 3.2.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- 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:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.19 | Release Notes Third Party Advisory |
| https://docs.github.com/en/enterprise-server@3.1/admin/release-notes#3.1.11 | Release Notes Third Party Advisory |
| https://docs.github.com/en/enterprise-server@3.2/admin/release-notes#3.2.3 | Release Notes Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22870 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22870 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:46:45 | Added to TrackCVE | |||
| 2022-12-05 14:15:18 | 2021-11-10T02:15Z | 2021-11-10T02:15:06 | CVE Published Date | updated |
| 2022-12-05 14:15:18 | 2021-11-16T15:06:31 | CVE Modified Date | updated | |
| 2022-12-05 14:15:18 | Analyzed | Vulnerability Status | updated |