CVE-2021-23428
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
This affects all versions of package elFinder.NetCore. The Path.Combine(...) method is used to create an absolute file path. Due to missing sanitation of the user input and a missing check of the generated path its possible to escape the Files directory via path traversal
Overview
- CVE ID
- CVE-2021-23428
- Assigner
- report@snyk.io
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-01T15:15:08
- Last Modified Date
- 2022-06-28T14:11:45
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:elfinder.netcore_project:elfinder.netcore:*:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L387 | Broken Link |
| https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1313838 | Third Party Advisory |
| https://github.com/gordon-matt/elFinder.NetCore | Product Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-23428 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23428 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:06:16 | Added to TrackCVE | |||
| 2022-12-05 09:25:58 | 2021-09-01T15:15Z | 2021-09-01T15:15:08 | CVE Published Date | updated |
| 2022-12-05 09:25:58 | 2022-06-28T14:11:45 | CVE Modified Date | updated | |
| 2022-12-05 09:25:58 | Analyzed | Vulnerability Status | updated |