Fortiweb ManagerApplication · Fortinet
CVE-2017-14189
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 · uneditedAn improper access control vulnerability in Fortinet FortiWebManager 5.8.0 allows anyone that can access the admin webUI to successfully log-in regardless the provided password.
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 confidenceFortiWebManager 5.8.0 contains an authentication bypass vulnerability where any user who can reach the admin web interface can successfully authenticate regardless of the password provided. This improper access control allows complete unauthorized administrative access to the management console.
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
Fortiweb ManagerApplication
= 5.8.0CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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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Identify FortiWebManager installationLocate FortiWebManager on the system by checking running services, installed applications, or the presence of FortiWebManager-related processesAffected if FortiWebManager software is found on the system
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Determine the installed versionAccess the admin web interface and navigate to the System > About page, or use the CLI command 'get system status' to retrieve the firmware versionAffected if The version reported is exactly 5.8.0
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Check admin web interface accessibilityVerify if the FortiWebManager admin web UI (typically on port 443 or 8080) is exposed to the network by reviewing firewall rules, listening ports, and network access control listsAffected if The admin web interface is reachable from untrusted networks
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Confirm authentication behaviorAttempt to access the admin login page and verify the interface is operationalAffected if The admin login page is accessible and the application is running
If FortiWebManager version 5.8.0 is installed and its admin web interface is network-accessible, the environment is affected by this authentication bypass vulnerability.
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 dataApply the Fortinet patch or upgrade to a fixed version of FortiWebManager. Until patched, restrict network access to the admin webUI to trusted management networks only.
Fix this in Fortiweb Manager
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-14189 — 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-2017-14189 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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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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