CVE-2020-12505

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

HIGH
8.2
CVSS Score
Published: September 30, 2020 at 03:43 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
14 products affected across 1 vendor750-881 Firmware750-880 Firmware750-889 Firmware

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Severity
HIGH8.2
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-027

CVSS

8.2HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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