CVE-2021-34578
Last modified
CVE-2021-34578 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wago | 750-890\/040-000 Firmware | <= fw07 |
| Wago | 750-890\/025-001 Firmware | <= fw07 |
| Wago | 750-890\/025-002 Firmware | <= fw07 |
| Wago | 750-890\/025-000 Firmware | <= fw07 |
| Wago | 750-832\/000-002 Firmware | <= fw07 |
| Wago | 750-362 Firmware | <= fw07 |
| Wago | 750-823 Firmware | <= fw07 |
| Wago | 750-832 Firmware | <= fw07 |
| Wago | 750-363 Firmware | <= fw07 |
| Wago | 750-862 Firmware | <= fw07 |
| Wago | 750-891 Firmware | <= fw07 |
| Wago | 750-893 Firmware | <= fw07 |
References
- https://cert.vde.com/en-us/advisories/vde-2020-044Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2020-044Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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