CVE-2021-34578 (GCVE-0-2021-34578)
Vulnerability from cvelistv5 – Published: 2021-08-31 10:33 – Updated: 2024-09-16 18:33
VLAI?
Title
WAGO: Authentication Vulnerability in Web-Based Management
Summary
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.
Severity ?
9.8 (Critical)
CWE
- CWE-287 - Improper Authentication
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| WAGO | PLC |
Affected:
750-362 , ≤ FW07
(custom)
Affected: 750-363 , ≤ FW07 (custom) Affected: 750-823 , ≤ FW07 (custom) Affected: 750-832/xxx-xxx , ≤ FW07 (custom) Affected: 750-862 , ≤ FW07 (custom) Affected: 750-891 , ≤ FW07 (custom) Affected: 750-890/xxx-xxx , ≤ FW07 (custom) Affected: 750-893 , ≤ FW07 (custom) |
Credits
Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. CERT@VDE coordinated.
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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