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Case File

CVE-2019-5078

CRITICAL · CVSS 9.1 EPSS 1.65% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-12-18 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

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-2019-5078
Severity
CRITICAL
CVSS
9.1
EPSS
1.65%

Original NVD Description

An exploitable denial of service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.

Related CVEs

Other vulnerabilities affecting the same vendor(s)