CVE-2023-27856

HIGH

ThinManager Path Traversal (CVE-2023-27856) Arbitrary File Download

Title source: metasploit
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-27856. PoCs published by Michael Heinzl, Tenable, including Metasploit module auxiliary/gather/thinmanager_traversal_download.

AI-analyzed exploit summary This Metasploit module exploits a path traversal vulnerability (CVE-2023-27856) in ThinManager <= v13.0.1 to retrieve arbitrary files from the system. It sends a crafted request to the service listening on TCP port 2031 to read files by traversing directories.

Description

In affected versions, path traversal exists when processing a message of type 8 in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker can exploit this vulnerability to download arbitrary files on the disk drive where ThinServer.exe is installed.

Exploits (1)

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

This Metasploit module exploits a path traversal vulnerability (CVE-2023-27856) in ThinManager <= v13.0.1 to retrieve arbitrary files from the system. It sends a crafted request to the service listening on TCP port 2031 to read files by traversing directories.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: ThinManager <= v13.0.1
No auth needed
Prerequisites: Network access to TCP port 2031
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.7613
EPSS Percentile 99.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

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