CVE-2021-41075
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 · uneditedThe NetFlow Analyzer in Zoho ManageEngine OpManger before 125455 is vulnerable to SQL Injection in the Attacks Module API.
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 confidenceSQL injection vulnerability in the NetFlow Analyzer component of Zoho ManageEngine OpManager, specifically in the Attacks Module API. The vulnerability exists in versions prior to build 125455 and allows unauthenticated attackers to inject malicious SQL queries.
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< 12.5= 12.5CVSS 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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Confirm Zoho ManageEngine OpManager is installedLocate the OpManager installation directory, typically in the path where the product was installed, or check for the OpManager service running on the server.Affected if The product is present on the system
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Identify the installed version and build numberAccess the OpManager web interface and navigate to the About or Support page to view the build number, or check the version file in the installation directory if accessible.Affected if The build number is less than 125455 or the version is 12.5 with build prior to 125455
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Verify NetFlow Analyzer module is enabledLog into the OpManager administrative console and check the NetFlow Analyzer component status under the features or modules section.Affected if NetFlow Analyzer is enabled and configured
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Confirm Attacks Module API is accessibleAttempt to access the NetFlow Analyzer Attacks Module API endpoint (typically under the NetFlow monitoring section) to verify the module exists and is reachable.Affected if The Attacks Module API endpoint responds and is accessible
A system is affected if Zoho ManageEngine OpManager is installed with version 12.5 or any version prior to build 125455, and the NetFlow Analyzer Attacks Module API is enabled and 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.
dbcve · scoped12.5
Upgrade Zoho ManageEngine OpManager to build 125455 or later to resolve the SQL injection vulnerability in the NetFlow Analyzer Attacks Module API.
OpManager 12.5 build 125455 or later
- Create a complete backup of the OpManager installation directory and database before proceeding with any upgrade
- Download OpManager version 12.5 build 125455 or later from the official ManageEngine download portal (www.manageengine.com)
- Stop the OpManager service completely before starting the upgrade process
- Run the installer/upgrade package for the fixed build (125455 or later)
- Follow the on-screen upgrade wizard instructions, selecting the upgrade option when prompted
- After installation completes, start the OpManager service
- Verify the upgrade by logging into the web interface and checking the build number under the About section
- Confirm the NetFlow Analyzer Attacks Module API is functioning correctly
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-41075 — 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-2021-41075 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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