CVE-2024-33892: Hms-Networks Ewon Cosy+ Firmware

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are susceptible to leaking information through cookies. This is fixed in version 21.2s10 and 22.1s3

Affected products

• Hms-Networks Ewon Cosy+ Firmware: from 21.0s0, before 21.2s10 (fixed in 21.2s10); from 22.0s0, before 22.1s3 (fixed in 22.1s3)

Published 2024-08-02. Last modified 2026-06-17.