Zoho
CVE-2016-6600
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 90.64%. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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 .. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 90.6%.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. 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 include: Zohocorp Webnms Framework.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Exploit-DB
GitHub
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
Affected Products (CPE)CVE.org
Multiple Zoho ManageEngine on-premise products allow unauthenticated remote code execution through SAML SSO functionalit
The FileUploadServlet class in ManageEngine Desktop Central 9 before build 91093 allows remote attackers to upload and e
Directory traversal vulnerability in ZOHO ManageEngine Desktop Central (DC) before 9 build 90055 allows remote attackers
ZOHO ManageEngine OpManager 11.5 build 11600 and earlier uses a hardcoded password of "plugin" for the IntegrationUser a
PGSQL:SubmitQuery.do in ZOHO ManageEngine OpManager 11.6, 11.5, and earlier allows remote administrators to bypass SQL q
Directory traversal vulnerability in the agentUpload servlet in ZOHO ManageEngine EventLog Analyzer 9.0 build 9002 and 8
ZOHO ManageEngine EventLog Analyzer 10.6 build 10060 and earlier allows remote attackers to bypass intended restrictions
Directory traversal vulnerability in the file download functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows rem
Directory traversal vulnerability in the com.me.opmanager.extranet.remote.communication.fw.fe.FileCollector servlet in Z
SQL injection vulnerability in the LinkViewFetchServlet servlet in ManageEngine Desktop Central (DC) and Desktop Central
The ManageEngine ServiceDesk 9.3.9328 is vulnerable to arbitrary file downloads due to improper restrictions of the path
Multiple directory traversal vulnerabilities in ZOHO ManageEngine OpManager 8 (build 88xx) through 11.4, IT360 10.3 and