CVE-2021-37919
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 · uneditedZoho ManageEngine ADManager Plus version 7110 and prior allows unrestricted file upload which leads to remote code execution.
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 confidenceZoho ManageEngine ADManager Plus version 7110 and prior contains an unrestricted file upload vulnerability that allows attackers to upload malicious files to the server and achieve remote code execution. This critical flaw enables unauthenticated attackers to gain full control of the affected system.
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< 7.1= 7.1CVSS 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:3.1/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 ADManager Plus versionAccess the product's About or Help section in the web interface, or check the installation directory for a version file. Alternatively, the version is often displayed on the login page footer or in the product's system information page.Affected if The installed version is 7110 or any version prior to 7.1 (such as 7.0, 6.x, etc.)
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Verify web interface accessibilityAttempt to access the ADManager Plus login page from an external or non-privileged network location without providing credentials.Affected if The web interface is reachable from an untrusted network without authentication, as this vulnerability allows unauthenticated file uploads.
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Check for suspicious uploaded filesInspect the web application's upload directories (commonly the 'temp' or 'uploads' folders within the ADManager Plus installation directory) for unexpected files, especially executable file types such as .jsp, .asp, .php, or .exe.Affected if Unexpected script or executable files are found in upload directories, indicating potential exploitation.
A system is affected if it runs ADManager Plus version 7110 or prior AND has its web interface network-accessible, since the vulnerability permits unauthenticated attackers to upload and execute malicious files.
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.
dbcve · scoped7.1
Upgrade to a version newer than 7110. If immediate patching is not possible, restrict network access to the ADManager Plus interface and implement strict file upload validation as a compensating control.
Upgrade to a version newer than 7.1 (e.g., 7.2 or later)
- 1. Back up your current ADManager Plus installation and database
- 2. Download the latest version of ManageEngine ADManager Plus from the official vendor site
- 3. Stop the ADManager Plus service before upgrading
- 4. Install the new version following the vendor's upgrade documentation
- 5. Start the ADManager Plus service after installation
- 6. Verify the upgrade was successful by logging into the admin console
- 7. Test that file upload functionality works correctly in the application
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-37919 — 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-2021-37919 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data