CVE-2021-33032: eq-3 homematic ccu2 firmware +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-33032

CVSS 10.0 · Critical EPSS 52,2%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada eq-3 homematic ccu2 firmware, eq-3 homematic ccu3 firmware. Skor CVSS 3.1 10.0 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 22 Juli 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 10.0 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
EPSS (30 hari): 52,2% peluang dieksploitasi; lebih tinggi dari 98,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
eq-3	homematic ccu2 firmware	Semua versi hingga 2.57.5
eq-3	homematic ccu3 firmware	Semua versi hingga 3.57.5

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf release notes · advisory vendor
https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf release notes · advisory vendor
https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/ exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.