CVE-2024-41969: WAGO: CODESYS V3 Configuration Authentication Bypass in Multiple Devices

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-18 · updated 2026-06-17
Weakness: CWE-306

Description

A low privileged remote attacker may modify the configuration of the CODESYS V3 service through a missing authentication vulnerability which could lead to full system access and/or DoS.

Affected products

WAGO CC100 0751-9x01: through 4.5.10 (FW27)
WAGO CC100 0751/9x01: through 04.03.03 (72); through 04.04.03 (70)
WAGO Edge Controller 0752-8303/8000-0002: through 4.5.10 (FW27)
WAGO PFC100 G1 0750-810x/xxxx-xxxx: through 3.10.10 (FW22 Patch 1)
WAGO PFC100 G2 0750-811x-xxxx-xxxx: through 4.5.10 (FW27)
WAGO PFC200 G1 0750-820x/xxx-xxx: through 03.03.08 (80)
WAGO PFC200 G1 750-820x-xxx-xxx: through 3.10.10 (FW22 Patch 1)
WAGO PFC200 G2 0750-821x/xxx-xxx: through 04.04.03 (70)
WAGO PFC200 G2 750-821x-xxx-xxx: through 4.5.10 (FW27)
WAGO TP600 0762-420x/8000-000x: through 4.5.10 (FW27)
WAGO TP600 0762-430x/8000-000x: through 4.5.10 (FW27)
WAGO TP600 0762-520x/8000-000x: through 4.5.10 (FW27)
WAGO TP600 0762-530x/8000-000x: through 4.5.10 (FW27)
WAGO TP600 0762-620x/8000-000x: through 4.5.10 (FW27)
WAGO TP600 0762-630x/8000-000x: through 4.5.10 (FW27)

References

https://cert.vde.com/en/advisories/VDE-2024-047

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