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CVE-2021-34578criticalCWE-287

WAGO: Authentication Vulnerability in Web-Based Management

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 1.0%
exploitation probability
1.0%top 42% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
WAGO · PLC