CVE-2022-2188
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 · uneditedPrivilege escalation vulnerability in DXL Broker for Windows prior to 6.0.0.280 allows local users to gain elevated privileges by exploiting weak directory controls in the logs directory. This can lead to a denial-of-service attack on the DXL Broker.
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 · moderate confidenceDXL Broker for Windows contains a privilege escalation vulnerability where weak directory controls in the logs directory allow local users to gain elevated privileges. The issue stems from improper access controls on the logs directory, which can be exploited to achieve privilege escalation and potentially cause denial of 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< 6.0.0.280CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 DXL Broker installationLook for McAfee Data Exchange Layer Broker software installed on the Windows system via Programs and Features or registry key HKLM\Software\McAfee\DXLAffected if McAfee Data Exchange Layer Broker is not found on the system, the vulnerability does not apply
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Check DXL Broker versionLocate the DXL Broker version information - typically available in the broker's About dialog, installation directory, or via the broker's management interfaceAffected if The installed version is lower than 6.0.0.280, indicating the affected version range
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Identify the logs directory locationLocate the logs directory used by the DXL Broker - this is typically found in the broker's installation directory under a logs subfolder, or check broker configuration files for the logs pathAffected if Unable to locate the logs directory means the check cannot proceed
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Review logs directory permissionsRight-click the logs directory, select Properties, then go to the Security tab. Examine which users and groups have Write or Modify permissions to this directoryAffected if Non-privileged local users (such as standard users or limited accounts) have Write or Modify access to the logs directory, creating the weak directory control condition described in the CVE
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Verify elevated access potentialCheck if any unprivileged local user account can create or modify files within the DXL Broker logs directoryAffected if Unprivileged users can place files in the logs directory, which could be exploited for privilege escalation as described in the vulnerability
A system is affected if McAfee Data Exchange Layer Broker version is below 6.0.0.280 AND non-privileged users have Write access to the broker's logs directory.
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 · scoped6.0.0.280
Upgrade DXL Broker for Windows to version 6.0.0.280 or later. Additionally, review and harden directory permissions on the logs directory to restrict write access to privileged accounts only.
6.0.0.280
- Download DXL Broker version 6.0.0.280 or later from the official Trellix vendor source (kcm.trellix.com)
- Stop the DXL Broker service on the affected Windows system
- Create a backup of the current DXL Broker configuration and data directories
- Install the updated DXL Broker version 6.0.0.280 using the vendor's installation package
- Start the DXL Broker service after installation completes
- Verify the service is running and directory permissions on the logs folder have been hardened
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-2188 — 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-2022-2188 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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