CVE-2023-27855

CRITICAL

ThinManager Path Traversal (CVE-2023-27855) Arbitrary File Upload

Title source: metasploit
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-27855. PoCs published by Michael Heinzl, Tenable, including Metasploit module auxiliary/admin/networking/thinmanager_traversal_upload.

AI-analyzed exploit summary This Metasploit module exploits CVE-2023-27855, a path traversal vulnerability in ThinManager <= v13.0.1, to upload arbitrary files to the target system. The exploit leverages a custom protocol on TCP port 2031 to achieve file uploads with SYSTEM privileges.

Description

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.

Exploits (1)

metasploit WORKING POC
by Michael Heinzl, Tenable · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/admin/networking/thinmanager_traversal_upload.rb

This Metasploit module exploits CVE-2023-27855, a path traversal vulnerability in ThinManager <= v13.0.1, to upload arbitrary files to the target system. The exploit leverages a custom protocol on TCP port 2031 to achieve file uploads with SYSTEM privileges.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Rockwell Automation ThinManager <= v13.0.1
No auth needed
Prerequisites: Network access to TCP port 2031 · Local file to upload
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.7188
EPSS Percentile 98.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-22
Status published
Products (3)
rockwellautomation/thinmanager 13.0.0
rockwellautomation/thinmanager 13.0.1
rockwellautomation/thinmanager 6.0.0 - 10.0.2
Published Mar 22, 2023
Tracked Since Feb 18, 2026