CVE-2020-8820
5.4 · MEDIUMOverview
CVE-2020-8820 is a medium-severity vulnerability affecting webmin webmin. It was published on October 12, 2020 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
An XSS Vulnerability exists in Webmin 1.941 and earlier affecting the Cluster Shell Commands Endpoint. A user may enter any XSS Payload into the Command field and execute it. Then, after revisiting the Cluster Shell Commands Menu, the XSS Payload will be rendered and executed.
Remediation
Check the references section for vendor advisories and patches from webmin. Update webmin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| webmin | webmin | 0 | Affected |
Frequently Asked Questions
What is CVE-2020-8820?
CVE-2020-8820 is a medium-severity vulnerability affecting webmin webmin. It was published on October 12, 2020 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2020-8820?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-8820?
Check the references section for vendor advisories and patches from webmin. Update webmin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-8820?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-8820 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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