CVE-2021-20998

WAGO: Managed Switches: Unauthorized creation of user accounts

State: Published
Severity: 10.0 Critical
Published: May 13, 2021
Updated: Sep 17, 2024
Reserved: Dec 17, 2020

Description

In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.

Scores

CVSS	Score	Vector	Source
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	CERTVDE

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
0852-0303WAGO	V1.2.3.S0 and earlierAffected
0852-1305WAGO	V1.1.7.S0 and earlierAffected
0852-1505WAGO	V1.1.6.S0 and earlierAffected
0852-1305/000-001WAGO	V1.0.4.S0 and earlierAffected
0852-1505/000-001WAGO	V1.0.4.S0 and earlierAffected

References

https://cert.vde.com/en-us/advisories/vde-2021-013

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