CVE-2021-23428 — HIGH (8.6)

Vulnerability 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

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Elfinder.Netcore Project	Elfinder.Netcore	All versions

Related Weaknesses (CWE)

CWE-22

References

https://github.com/gordon-matt/elFinder.NetCoreProductThird Party Advisory
https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51Broken Link
https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1313838Third Party Advisory
https://github.com/gordon-matt/elFinder.NetCoreProductThird Party Advisory
https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51Broken Link
https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1313838Third Party Advisory

FAQ

What is CVE-2021-23428?

CVE-2021-23428 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 gene...

How severe is CVE-2021-23428?

CVE-2021-23428 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-23428?

Check the references section above for vendor advisories and patch information. Affected products include: Elfinder.Netcore Project Elfinder.Netcore.