CVE-2021-32465
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 incorrect permission preservation vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a remote user to perform an attack and bypass authentication on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
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 confidenceThis is an incorrect permission preservation vulnerability in Trend Micro Apex One, Apex One as a Service, and OfficeScan XG SP1 that allows a remote attacker who already has low-privileged code execution on the target system to bypass authentication mechanisms on affected installations. The vulnerability stems from improper handling or preservation of permissions during certain operations, enabling privilege escalation to bypass the authentication layer.
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= 2019= xgCVSS 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 Trend Micro productCheck the system for installed security products - look for 'Trend Micro Apex One' or 'Trend Micro OfficeScan' in installed programs or running servicesAffected if The product is Apex One 2019 or OfficeScan XG (any service pack)
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Verify product versionOpen the product console or check registry for the exact version number of Apex One/OfficeScanAffected if Version is listed as 2019 (Apex One) or XG (OfficeScan)
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Confirm product is activeCheck if the Trend Micro security service (e.g., TmCCSF, Apex One endpoint service) is running and the management console is accessibleAffected if The product is running and the web console is reachable on the management port
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Check service account privilegesExamine the Windows service account running the Apex One/OfficeScan service using 'sc qc' or Task Manager service detailsAffected if The service runs under an account with elevated privileges but the web management interface does not require re-authentication after initial login
You are affected if Trend Micro Apex One 2019 or OfficeScan XG is installed and running, as the vulnerability allows low-privileged code execution to bypass authentication through improper permission handling.
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 dataApply the vendor-supplied security patches for Apex One/OfficeScan XG SP1. Organizations should also review and restrict the ability for unprivileged users to execute code on systems running these products as a defense-in-depth measure.
- Consultation2.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-32465 — 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-2021-32465 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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