CVE-2021-21000 MEDIUM

CVE-2021-21000: WAGO: PFC200 Denial of Service due to the number of connections to the runtime

Vendor Wago
Product Series PFC200 Controller
Weakness CWE-770 · Uncontrolled resource consumption
Published May 24, 2021
Last update September 16, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.

Key dates

02Disclosure timeline

May 24, 2021 CVE published
September 16, 2024 Record updated