CVE-2024-33893

medium

Description

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when displaying the logs due to improper input sanitization. This is fixed in version 21.2s10 and 22.1s3.

References

https://www.hms-networks.com/cyber-security

https://www.ewon.biz/products/cosy/ewon-cosy-wifi

https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2024-07-29-001--ewon-several-cosy--vulnerabilities.pdf

https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/

http://seclists.org/fulldisclosure/2024/Aug/22

http://seclists.org/fulldisclosure/2024/Aug/19

Details

Source: Mitre, NVD

Published: 2024-08-02

Updated: 2025-11-04

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N