Vulnerability Intelligence Report
WAGO: Managed Switches: Reflected Cross-site Scripting
CVE-2021-20994
In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.63%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗CWE-79 Cross-site Scripting (XSS)
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
0.629%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | CERT@VDE · CERT · Germany |
| Reserved | 2020-12-17T00:00:00 |
| Published | 2021-05-13T13:45:24 |
| Patch Date | 2021-05-05 |
| Last Updated | 2024-09-17T01:16:25 |
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