Vulnerability Database

290,206

Total vulnerabilities in the database

CVE-2019-5077

An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 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.

  • Published: Dec 18, 2019
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-5077
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.1
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 8.5
  • AV:N/AC:L/Au:N/C:N/I:P/A:C

CWEs:

Software From Fixed in
wago / pfc_200_firmware 03.00.39(12) 03.00.39(12).x
wago / pfc_200_firmware 03.01.07(13) 03.01.07(13).x
wago / pfc_100_firmware 03.00.39(12) 03.00.39(12).x