CVE-2021-44651
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 CloudSecurityPlus before Build 4117 allows remote code execution through the updatePersonalizeSettings component due to an improper security patch for CVE-2021-40175.
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 CloudSecurityPlus before Build 4117 contains a remote code execution vulnerability in the updatePersonalizeSettings component. This issue stems from an incomplete or improper security patch for the earlier CVE-2021-40175, allowing authenticated attackers to execute arbitrary code on 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< 4.1= 4.1<= 4.1.1.7<= 5.2.2CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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 installed productCheck whether Zoho ManageEngine CloudSecurityPlus or Log360 is installed. Look for installation directories or running services named 'CloudSecurityPlus' or 'Log360'.Affected if Either CloudSecurityPlus with version/build below 4117, or Log360 version 5.2.2 or below is installed.
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Check CloudSecurityPlus build versionNavigate to the CloudSecurityPlus web interface, then go to Settings > About or check the build number in the installation directory (typically in a version or buildinfo file). Compare the build number to 4117.Affected if Build number is less than 4117 (vulnerable). Versions < 4.1, = 4.1, or <= 4.1.1.7 are affected.
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Check Log360 versionNavigate to the Log360 web interface, go to Settings > About or check the version in the installation directory. Compare the version to 5.2.2.Affected if Version is 5.2.2 or lower.
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Verify updatePersonalizeSettings component accessibilityAttempt to access the /updatePersonalizeSettings endpoint via HTTP GET or POST request to the application's administrative interface using valid administrator credentials.Affected if The endpoint responds and accepts requests (component is exposed and functional).
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Confirm authentication is requiredReview the application's authentication configuration and verify whether the updatePersonalizeSettings component enforces authentication. Attempt an unauthenticated request to the endpoint.Affected if The component processes requests from authenticated users (attack requires valid admin credentials).
The environment is affected if CloudSecurityPlus build is below 4117 (or version <= 4.1.1.7), or Log360 version is <= 5.2.2, and the updatePersonalizeSettings component is accessible to authenticated administrators.
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 · scoped4.1
Upgrade ManageEngine CloudSecurityPlus to Build 4117 or later to obtain the complete security patch. If immediate patching is not possible, restrict network access to the administrative interface and review access logs for indicators of compromise.
ManageEngine Cloud Security Plus Build 4117 or later (note: Log360 <=5.2.2 also affected but specific fixed version not specified in available sources)
- 1. Back up the current ManageEngine Cloud Security Plus installation and configuration
- 2. Download the latest version of ManageEngine Cloud Security Plus (Build 4117 or later) from the official ManageEngine download portal
- 3. Stop the Cloud Security Plus service before applying the update
- 4. Install the updated build following the vendor's standard upgrade procedure
- 5. Verify the updatePersonalizeSettings component is no longer vulnerable to unrestricted file upload
- 6. Restart the Cloud Security Plus service
- 7. Confirm the application is functioning normally post-upgrade
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 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 $2,752.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-44651 — 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-2021-44651 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
- No spam, self-promotion, credentials, or personal data