VULNERABILITY INTELLIGENCE

CVE-2021-34578

CVSS score9.8 CRITICAL
EPSS probability0.96%
CISA KEVNot currently listed
Published2021-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.

Weakness classification

  • info@cert.vde.com: CWE-287

Primary references