CVE-2023-27855 CRITICAL

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

Vendor Rockwell Automation
Product ThinManager ThinServer
Weakness CWE-22 · Path traversal
Published March 21, 2023
Last update February 25, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 21, 2023 CVE published
February 25, 2025 Record updated