CVE-2021-34578

CRITICAL

WAGO 750 Series Firmware < FW07 - Unauthenticated Settings Parameter Read/Write

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_confirm
https://cert.vde.com/en-us/advisories/vde-2020-044

Scores

CVSS v3 9.8
EPSS 0.0096
EPSS Percentile 57.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (12)
wago/750-362_firmware < fw07
wago/750-363_firmware < fw07
wago/750-823_firmware < fw07
wago/750-832\/000-002_firmware < fw07
wago/750-832_firmware < fw07
wago/750-862_firmware < fw07
wago/750-890\/025-000_firmware < fw07
wago/750-890\/025-001_firmware < fw07
wago/750-890\/025-002_firmware < fw07
wago/750-890\/040-000_firmware < fw07
... and 2 more
Published Aug 31, 2021
Tracked Since Feb 18, 2026