CVE-2020-12834

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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
VendorProductVersion
eq-3homematic_ccu2_firmware
𝑥
≤ 2.51.6
eq-3ccu3_firmware
𝑥
≤ 3.51.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://psytester.github.io/CVE-2020-12834/
https://psytester.github.io/CVE-2020-12834/