CVE-2016-6600

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 90.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-01-23 · updated 2026-06-17
Weakness: CWE-22

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

Zohocorp Webnms Framework: 5.2, 5.2-sp1

References

http://packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Obfuscation-User-Impersonation.html
http://seclists.org/fulldisclosure/2016/Aug/54
http://www.securityfocus.com/archive/1/539159/100/0/threaded
http://www.securityfocus.com/bid/92402
https://blogs.securiteam.com/index.php/archives/2712
https://forums.webnms.com/topic/recent-vulnerabilities-in-webnms-and-how-to-protect-the-server-against-them
https://github.com/pedrib/PoC/blob/master/advisories/webnms-5.2-sp1-pwn.txt
https://www.exploit-db.com/exploits/40229/
http://packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Obfuscation-User-Impersonation.html
http://seclists.org/fulldisclosure/2016/Aug/54
http://www.securityfocus.com/archive/1/539159/100/0/threaded
http://www.securityfocus.com/bid/92402

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