CVE-2021-23428
8.6 · HIGHOverview
CVE-2021-23428 is a high-severity vulnerability affecting elfinder.netcore_project elfinder.netcore. It was published on September 1, 2021 and has a CVSS 3.1 base score of 8.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from elfinder.netcore_project. Update elfinder.netcore to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
References
Frequently Asked Questions
What is CVE-2021-23428?
CVE-2021-23428 is a high-severity vulnerability affecting elfinder.netcore_project elfinder.netcore. It was published on September 1, 2021 and has a CVSS 3.1 base score of 8.6 (HIGH).
How severe is CVE-2021-23428?
This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-23428?
Check the references section for vendor advisories and patches from elfinder.netcore_project. Update elfinder.netcore to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-23428?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-23428 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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