CVE-2021-21001 CRITICAL

CVE-2021-21001: WAGO: PFC200 Access to files outside the home directory

Vendor Wago
Product Series PFC200 Controller
Weakness CWE-22 · Path traversal
Published May 24, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.

Key dates

02Disclosure timeline

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