CVE-2017-16600
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThis vulnerability allows remote attackers to overwrite files on vulnerable installations of NetGain Systems Enterprise Manager 7.2.730 build 1034. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the org.apache.jsp.u.jsp.reports.templates.network.traffic_005freport_jsp servlet, which listens on TCP port 8081 by default. When parsing the filename parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to overwrite any files accessible to the Administrator. Was ZDI-CAN-5191.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidencePath traversal vulnerability in the traffic_report.jsp servlet on TCP port 8081 allows authenticated attackers (authentication can be bypassed) to overwrite arbitrary files by providing a malicious filename parameter that is not validated before file operations.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 7.2.730CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Netgain Enterprise Manager is installedCheck for the installation directory or running service. Common paths: C:\Program Files\Netgain or /opt/netgain. Look for process named 'EnterpriseManager' or 'Netgain' in task manager or process list.Affected if The software is present on the system
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Verify the installed versionCheck the version number of the installed Enterprise Manager. Look in the installation directory for version files, About dialog, or check the service version information. Compare against version 7.2.730.Affected if The installed version is exactly 7.2.730
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Check if TCP port 8081 is exposedRun netstat -an | findstr 8081 or ss -tuln | grep 8081 to see if the service is listening on port 8081. Also verify firewall rules allow access to this port.Affected if Port 8081 is open and accessible from the network or untrusted zone
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Test traffic_report.jsp accessibilityAttempt to access http://localhost:8081/traffic_report.jsp or http://<target>:8081/traffic_report.jsp using curl or a browser. No authentication should be required due to the bypass vulnerability.Affected if The JSP page is accessible and responds to requests
A user is affected if Netgain Enterprise Manager version 7.2.730 is installed, port 8081 is exposed, and the traffic_report.jsp endpoint responds without requiring authentication.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement strict path validation to prevent directory traversal in the filename parameter and fix the authentication bypass mechanism; consider applying vendor patches or upgrading if available.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2017-16600 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2017-16600 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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