CVE-2021-20998
WAGO: Managed Switches: Unauthorized creation of user accounts
CRITICAL
9.8
CVSS Score
Published: May 13, 2021 at 01:45 PM UTC
Updated: June 17, 2026 at 03:34 AM UTC
10 products affected across 1 vendor0852-1305 Firmware0852-1505 /000-001 Firmware0852-1505 Firmware
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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%
Description
In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ V1.0.4.S0
v ≤ V1.0.4.S0
Remediation
No guide yetNo 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
Source: [email protected]
https://cert.vde.com/en-us/advisories/vde-2021-013CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-306
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