AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2023-27857

HIGH · CVSS 7.5 EPSS 18.34% Public Exploit

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

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 18.3% 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

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

CVE
CVE-2023-27857
Severity
HIGH
CVSS
7.5
EPSS
18.34%

Original NVD Description

In affected versions, a heap-based buffer over-read condition occurs when the message field indicates more data than is present in the message field in Rockwell Automation's ThinManager ThinServer.  An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.

Related CVEs

Other vulnerabilities affecting the same vendor(s)