What’s Vulnerable › Vulnerabilities
CVE-2020-12834
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 11.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-05-15 · updated 2026-06-17
- Weakness: CWE-276
Description
eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSON API Method ReGa.runScript, by unauthenticated attackers with access to the web interface, due to the default auto-login feature being enabled during first-time setup (or factory reset).
Affected products
- Eq-3 Ccu3 Firmware: through 3.51.6
- Eq-3 Homematic Ccu2 Firmware: through 2.51.6
References
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