CVE-2021-33032
10.0 · CRITICALOverview
CVE-2021-33032 is a critical-severity vulnerability affecting eq-3 homematic_ccu2_firmware. It was published on July 22, 2021 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic CCU2 firmware up to and including version 2.57.5 and CCU3 firmware up to and including version 3.57.5 allows remote unauthenticated attackers to execute system commands as root via a simple HTTP request.
Remediation
Check the references section for vendor advisories and patches from eq-3. Update homematic_ccu2_firmware 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 |
|---|---|---|---|
| eq-3 | homematic_ccu2_firmware | 0 | Affected |
| eq-3 | homematic_ccu3_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-33032?
CVE-2021-33032 is a critical-severity vulnerability affecting eq-3 homematic_ccu2_firmware. It was published on July 22, 2021 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
How severe is CVE-2021-33032?
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-33032?
Check the references section for vendor advisories and patches from eq-3. Update homematic_ccu2_firmware 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-2021-33032?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-33032 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.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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