CVE-2016-6600
CriticalPublic exploitDirectory traversal vulnerability in the file upload functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to upload and execute arbitrary JSP files via a ..
Published Jan 23, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2016-6600 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Webnms Framework (Zohocorp).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 91% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
91%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Directory traversal vulnerability in the file upload functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to upload and execute arbitrary JSP files via a .. (dot dot) in the fileName parameter to servlets/FileUploadServlet.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Webnms FrameworkZohocorp | 5.2, 5.2-sp1 | n/a |
Timeline
Publicly disclosed
Jan 23, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisory92402
- exploithttp://packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Obfuscation-User-Impersonation.html
- exploithttps://blogs.securiteam.com/index.php/archives/2712
- exploit20160812 [CVE-2016-6600/1/2/3]: Multiple vulnerabilities (RCE, file download, etc) in WebNMS Framework 5.2 / 5.2 SP1
- exploithttps://github.com/pedrib/PoC/blob/master/advisories/webnms-5.2-sp1-pwn.txt
FAQ
Common Questions.
Directory traversal vulnerability in the file upload functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to upload and execute arbitrary JSP files via a ..
Affected: Webnms Framework (Zohocorp) versions 5.2, 5.2-sp1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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