CVE-2020-12506

WAGO: Authentication Bypass Vulnerability in WAGO 750-36X and WAGO 750-8XX Versions <= FW03

State: Published
Severity: 9.1 Critical
Published: Sep 30, 2020
Updated: Sep 17, 2024
Reserved: Apr 30, 2020

Description

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	CERTVDE

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
750-362WAGO	FW03 and earlierAffected
750-363WAGO	FW03 and earlierAffected
750-823WAGO	FW03 and earlierAffected
750-832/xxx-xxxWAGO	FW03 and earlierAffected
750-862WAGO	FW03 and earlierAffected
750-891WAGO	FW03 and earlierAffected
750-890/xxx-xxxWAGO	FW03 and earlierAffected

References

https://cert.vde.com/en-us/advisories/vde-2020-028

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