Homematic Ccu2 Firmware
CVE-2021-33032
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Eq-3 Homematic Ccu2 Firmware, Eq-3 Homematic Ccu3 Firmware. Version information: version 2.57.5.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
More in Homematic Ccu2 Firmware
View alleQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSO
eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a installed allow Remote Code Execution
eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the E-Mail AddOn through 1.6.8.c installed allow Remote Code Execution
eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8 installed allow Remote Code Execut
eQ-3 Homematic CCU2 before 2.47.18 and CCU3 before 3.47.18 allow Remote Code Execution by unauthenticated attackers with
eQ-3 Homematic CCU2 prior to 2.47.10 and CCU3 prior to 3.47.10 JSON API has Improper Access Control for Interface.***Met
eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 allows uncontrolled admin access, resulting in the ability to obtain
eQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn installed allow Remote Code Execution by unauthenticated attackers with
Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic C
eQ-3 Homematic CCU2 and CCU3 obtain session IDs without login. Rated high severity (CVSS 8.2), this vulnerability is rem
eQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn before 2.3.0 installed allow administrative operations by unauthenticat
eQ-3 Homematic CCU2 and CCU3 with the XML-API through 1.2.0 AddOn installed allow Remote Code Execution by unauthenticat
Same weakness CWE-78 – OS Command Injection
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External POC / Exploit Code
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