Directory traversal in elFinder.NetCore
Priority MEDIUM 45CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
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
Why it matters now
EPSS 0.0167 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | elFinder.NetCore | all versions | — | No fix listed | CNA |
| — | elFinder.NetCore (NuGet) | up to 1.3.5 | — | No fix listed | GHSA-9rjp-r58j-fxgq |
- elFinder.NetCore Vendor— Affected all versions Fixed in — No fix listed CNA
- elFinder.NetCore (NuGet) Vendor— Affected up to 1.3.5 Fixed in — No fix listed GHSA-9rjp-r58j-fxgq
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:elfinder.netcore_project:elfinder.netcore:*:*:*:*:*:*:*:* | all versions | Vulnerable | Elfinder.netcore Project |
- cpe:2.3:a:elfinder.netcore_project:elfinder.netcore:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Elfinder.netcore Project
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
elFinder.NetCore unspecified
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2021-06119 Arbitrary File Write via Archive Extraction (Zip Slip)Priority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23428
- 2026-10-03 Alias added: GHSA-9rjp-r58j-fxgq
References
Advisory 2
Other 2
- https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L387
- https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs#L387
More Elfinder.netcore Project Elfinder.netcore vulnerabilities
- TI-2021-06119 Arbitrary File Write via Archive Extraction (Zip Slip) CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-23428 · CVE Program
- CVE-2021-23428 · NVD
- FIRST EPSS
- GHSA-9rjp-r58j-fxgq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences