What’s Vulnerable › Vulnerabilities

CVE-2023-3379: WAGO: Improper Privilege Management in web-based management

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-20 · updated 2026-06-17
• Weakness: CWE-863

Description

Wago web-based management of multiple products has a vulnerability which allows an local authenticated attacker to change the passwords of other non-admin users and thus to escalate non-root privileges.

Affected products

• WAGO Compact Controller 100 Firmware: through 25
• WAGO Edge Controller Firmware: through 25
• WAGO Pfc100 Firmware: before 22; 22, 22-patch_1 — fixed in 22
• WAGO PFC200: before 22; 22, 22-patch_1, 23, 24 — fixed in 22
• WAGO Touch Panel 600 Advanced Firmware: through 25
• WAGO Touch Panel 600 Marine Firmware: through 25
• WAGO Touch Panel 600 Standard Firmware: through 25

How to fix

Upgrade to a fixed version: WAGO Pfc100 Firmware 22; WAGO PFC200 22. Check the vendor advisory for mitigations.

References

• https://cert.vde.com/en/advisories/VDE-2023-015/
• https://cert.vde.com/en/advisories/VDE-2023-015/

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