CVE-2025-3617
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 · uneditedA privilege escalation vulnerability exists in the Rockwell Automation ThinManager. When the software starts up, files are deleted in the temporary folder causing the Access Control Entry of the directory to inherit permissions from the parent directory. If exploited, a threat actor could inherit elevated privileges.
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 confidenceThis is a privilege escalation vulnerability in Rockwell Automation ThinManager where the application, during startup, deletes files in a temporary folder. This file deletion operation causes the Access Control Entry (ACE) of the directory to inherit permissions from the parent directory rather than maintaining its own secure permissions. An attacker who can place files in or control this temporary directory could exploit the inherited elevated permissions to gain higher privileges on the 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>= 14.0.0, < 14.0.2CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/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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Confirm ThinManager installation and versionLocate ThinManager installation directory or check installed programs, then identify the version number from the application or its metadataAffected if The installed version is >= 14.0.0 and < 14.0.2
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Identify the temporary folder used by ThinManagerMonitor ThinManager during startup or review application documentation to locate the temporary folder it uses for file deletion operationsAffected if A temporary folder exists and is used by ThinManager during startup for file operations
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Verify permissions on the temporary folderInspect the Access Control Entries (ACE) on the temporary folder and compare them to the parent directory permissionsAffected if The temporary folder permissions inherit from the parent directory rather than maintaining independent restrictive permissions
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Test write access to the temporary folderAttempt to create or place files in the temporary folder using a non-privileged accountAffected if Non-privileged or low-privilege users can write files to or control the contents of the ThinManager temporary folder
You are affected if ThinManager version is between 14.0.0 and 14.0.2 exclusive, and non-privileged users can write to the temporary folder that ThinManager uses during startup.
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 · scoped14.0.2
Apply the vendor patch when released by Rockwell Automation. Until then, restrict access to ThinManager temporary folders to only privileged administrators, run ThinManager with least privilege, and ensure proper network segmentation per ISA-62443 guidelines.
ThinManager 14.0.2
- 1. Back up all ThinManager configuration data and settings before proceeding with the upgrade
- 2. Download ThinManager version 14.0.2 from the official Rockwell Automation website or support portal
- 3. Install the ThinManager 14.0.2 upgrade on the affected system
- 4. After installation, verify that the software starts correctly and that temporary folder permissions are properly configured
- 5. Test ThinManager functionality in a non-production environment before deploying to production systems
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-3617 — 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-2025-3617 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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