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CVE-2021-33032

CRITICAL

10.0

CVSS Severity Score

EPSS Score0.1590%

EPSS Percentile5.61th

PublishedJul 22, 2021

Last ModifiedNov 21, 2024

Vulnerability 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.

Affected Platforms (CPE)

💻

Eq 3

Homematic Ccu2 Firmware

<= 2.57.5

💻

Eq 3

Homematic Ccu3 Firmware

<= 3.57.5

References & Advisories

🔗 https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/

🔗 https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf

🔗 https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf

🔗 https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/

🔗 https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf

🔗 https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf

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