CVE-2020-37113
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
GUnet OpenEclass 1.7.3 allows authenticated users to bypass file extension restrictions when uploading files. By renaming a PHP file to .php3 or .PhP, an attacker can upload a web shell and execute arbitrary code on the server. This vulnerability enables remote code execution by bypassing the intended file type checks in the exercise submission feature.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Openeclass | GUnet OpenEclass | 1.7.3 (2007) | affected |
Weaknesses
- CWE-434: Improper Neutralization of Special Elements in a File Name or Extension (File Upload)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: total
References
- https://www.exploit-db.com/exploits/48163
- https://www.openeclass.org/
- https://download.openeclass.org/files/docs/1.7/CHANGES.txt
- https://www.vulncheck.com/advisories/gunet-openeclass-e-learning-platform-file-upload-extension-bypass
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