Forticlient Endpoint Management ServerApplication · Fortinet
CVE-2021-44172
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 exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClientEMS versions 7.0.0 through 7.0.4, 7.0.6 through 7.0.7, in all 6.4 and 6.2 version management interface may allow an unauthenticated attacker to gain information on environment variables such as the EMS installation path.
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 confidenceFortiClientEMS management interface versions 7.0.0-7.0.4, 7.0.6-7.0.7, and all 6.4.x and 6.2.x contains an information disclosure vulnerability where an unauthenticated attacker can query environment variables including the EMS installation path through the management interface.
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
Forticlient Endpoint Management ServerApplication
>= 6.2.0, <= 6.2.9>= 6.4.0, <= 6.4.9>= 7.0.0, <= 7.0.4>= 7.0.6, <= 7.0.7CVSS 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
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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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Identify FortiClientEMS installationCheck for the FortiClientEMS service on the Windows server. Open Services console (services.msc) and look for 'FortiClient Endpoint Management Server' or check Program Files for FortiClientEMS installation directory.Affected if FortiClientEMS service or installation directory is found on the system
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Determine FortiClientEMS versionAccess the FortiClientEMS management console and navigate to the About page, or check the version in the installer file or release notes included with the installation.Affected if The installed version falls within 6.2.0-6.2.9, 6.4.0-6.4.9, 7.0.0-7.0.4, or 7.0.6-7.0.7
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Verify management interface accessibilityConfirm that the FortiClientEMS management interface web portal (typically ports 80 or 443) is reachable on the network. Check firewall rules and bindings on the EMS server.Affected if The management interface is accessible from network segments beyond the local server
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Confirm vulnerability trigger conditionThe vulnerability allows unauthenticated querying of environment variables through the management interface. Test by accessing the interface without credentials and attempting to retrieve server environment variables or installation paths.Affected if Unauthenticated access to the management interface returns environment variable data including the EMS installation path
You are affected if FortiClientEMS version is 6.2.0-6.2.9, 6.4.0-6.4.9, 7.0.0-7.0.4, or 7.0.6-7.0.7 AND the management interface is network-accessible.
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 dataUpgrade FortiClientEMS to a fixed version beyond the affected ranges (7.0.7 for 7.x, or latest patched 6.4.x/6.2.x). Restrict network access to the management interface to trusted networks as a compensating control.
Fix this in Forticlient Endpoint Management Server
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-44172 — 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-2021-44172 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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