CVEvulnerability

CVE-2021-34578

8.1 HIGH Published 2021-08-31 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-31
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-287

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.

Affected configurations

• 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)

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References