CVE-2021-34578 (GCVE-0-2021-34578)

Vulnerability from cvelistv5 – Published: 2021-08-31 10:33 – Updated: 2024-09-16 18:33
VLAI?
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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-287 - Improper Authentication
Assigner
References
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)
Create a notification for this product.
Credits
Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. CERT@VDE coordinated.
Show details on NVD website
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Party Advisory\"]},{\"url\":\"https://cert.vde.com/en-us/advisories/vde-2020-044\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.