SEPTEMBER 23, 2026
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Case File

CVE-2023-27855

CRITICAL · CVSS 9.8 EPSS 13.45% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-03-22 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 13.5% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-27855
Severity
CRITICAL
CVSS
9.8
EPSS
13.45%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)