critical
9.8
CWE
22
Advisory Published
Updated

CVE-2023-27855: Rockwell Automation ThinManager ThinServer Path Traversal Upload

First published: Tue Mar 21 2023(Updated: )

In affected versions, a path traversal exists when processing a message in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker could potentially exploit this vulnerability to upload arbitrary files to any directory on the disk drive where ThinServer.exe is installed. The attacker could overwrite existing executable files with attacker-controlled, malicious contents, potentially causing remote code execution.

Credit: PSIRT@rockwellautomation.com

Affected SoftwareAffected VersionHow to fix
Rockwellautomation Thinmanager>=6.0.0<=10.0.2
Rockwellautomation Thinmanager>=11.0.0<=11.0.5
Rockwellautomation Thinmanager>=11.1.0<=11.1.5
Rockwellautomation Thinmanager>=11.2.0<=11.2.6
Rockwellautomation Thinmanager>=12.0.0<=12.0.4
Rockwellautomation Thinmanager>=12.1.0<=12.1.5
Rockwellautomation Thinmanager=13.0.0
Rockwellautomation Thinmanager=13.0.1

Remedy

Customers are directed to update to versions of the product that correct the vulnerability as listed in the reference article.

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-27855?

    CVE-2023-27855 is a path traversal vulnerability in Rockwell Automation's ThinManager ThinServer.

  • How does CVE-2023-27855 affect Rockwell Automation ThinManager?

    CVE-2023-27855 allows an unauthenticated remote attacker to upload arbitrary files to any directory on the disk drive where ThinServer.exe is installed.

  • What is the severity of CVE-2023-27855?

    CVE-2023-27855 has a severity rating of critical with a score of 9.8 out of 10.

  • Which versions of Rockwell Automation ThinManager are affected by CVE-2023-27855?

    CVE-2023-27855 affects Rockwell Automation ThinManager versions 6.0.0 to 10.0.2, 11.0.0 to 11.0.5, 11.1.0 to 11.1.5, 11.2.0 to 11.2.6, 12.0.0 to 12.0.4, 12.1.0 to 12.1.5, 13.0.0, and 13.0.1.

  • How can I fix CVE-2023-27855 in Rockwell Automation ThinManager?

    To fix CVE-2023-27855, it is recommended to update Rockwell Automation ThinManager to a version that is not affected by the vulnerability.

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