CVE-2020-12505

WAGO: Vulnerability in web-based authentication in WAGO 750-8XX Version <= FW07

Published Sep 30, 2020 CVSS 3.1 · 8.2 High EPSS 1.2% KEV · Not listed
Description
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.

Remediation

Vendor Solution

Upgrade devices to the latest standard firmware (> FW07).


Vendor Workaround

Restrict network access to the device. Do not directly connect the device to the internet. Disable unused TCP/UDP ports. Disable web-based management ports 80/443 after the configuration phase

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-4807 Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.
History

No history.