CVE-2021-43319
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 Network Configuration Manager before 125488 is vulnerable to command injection due to improper validation in the Ping functionality.
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 Network Configuration Manager versions before 125488 contain a command injection vulnerability in the Ping functionality due to improper input validation. An attacker can inject arbitrary OS commands through the Ping feature, potentially achieving remote code execution with the privileges of the affected service.
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= 11.0= 12.0= 12.1= 12.2= 12.3= 12.4= 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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Identify the installed version of Network Configuration ManagerLocate the version information in the product about page, version file, or admin interface. Common locations include the application header, a 'Help > About' menu, or a version.txt file in the installation directory.Affected if The installed version is 11.0, 12.0, 12.1, 12.2, 12.3, 12.4, or 12.5 (any version before 125488).
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Verify the Ping functionality is accessibleAccess the Ping feature within the Network Configuration Manager interface, typically found under Network Tools, Diagnostics, or a similar utilities section.Affected if The Ping functionality is present and accessible to the user or attacker.
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Confirm the product edition and build numberCheck the full build number or build ID in the installation, often displayed alongside the version in the admin dashboard or in a build.info file within the product directory.Affected if The build number is below 125488 for versions 11.x or 12.x.
A user is affected if their Zoho ManageEngine Network Configuration Manager installation shows version 11.0 through 12.5 (or any build before 125488) and the Ping feature 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 · scopedUpgrade to Zoho ManageEngine Network Configuration Manager version 125488 or later. Apply input validation and sanitization to the Ping functionality to prevent command injection if immediate upgrade is not feasible.
Build 125488 or later
- Upgrade ManageEngine Network Configuration Manager to build 125488 or later
- After upgrade, verify the Ping functionality is working correctly
- Test that the command injection vulnerability is no longer present
- Ensure backups of configurations are taken before performing upgrade in production environments
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,096.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-43319 — 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-2021-43319 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