Vulnerability Intelligence Report
WAGO: Managed Switches: Unauthorized creation of user accounts
CVE-2021-20998
In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:1.11%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-306 ↗CWE-306 Missing Authentication for Critical Function
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| WAGO | 0852-0303 | unspecified <= V1.2.3.S0 (affected) |
| WAGO | 0852-1305 | unspecified <= V1.1.7.S0 (affected) |
| WAGO | 0852-1505 | unspecified <= V1.1.6.S0 (affected) |
| WAGO | 0852-1305/000-001 | unspecified <= V1.0.4.S0 (affected) |
| WAGO | 0852-1505/000-001 | unspecified <= V1.0.4.S0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.111%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | CERT@VDE · CERT · Germany |
| Reserved | 2020-12-17T00:00:00 |
| Published | 2021-05-13T13:45:25 |
| Patch Date | 2021-05-05 |
| Last Updated | 2024-09-17T00:51:42 |
Community Chatter & Buzz