CVE-2024-3955: Craftbeerpi - Brewing Controller Craftbeerpi 4

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/http_endpoints/http_system.py" is subsequently passed to the "os.system" function in "cbpi/controller/system_controller.py" without prior validation allowing to execute arbitrary code.This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).

Affected products

• Craftbeerpi - Brewing Controller Craftbeerpi 4
• Pibrewing Craftbeerpi 4: from 4.0.0.58 (commit 563fae9), before 4.4.1.a1 (commit 57572c7) (fixed in 4.4.1.a1 (commit 57572c7)); version 4.0.0.58 (commit 563fae9) only

Published 2024-05-02. Last modified 2026-06-17.