CVE-2024-33895

MEDIUM

6.6

Description

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique key to encrypt the configuration parameters. This is fixed in version 21.2s10 and 22.1s3, the key is now unique per device.

CVE Details

CVSS v3.1 Score6.6

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorPHYSICAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published8/2/2024

Last Modified11/4/2025

Sourcenvd

Honeypot Sightings0

Affected Products

hms-networks:ewon_cosy\+_4g_apachms-networks:ewon_cosy\+_4g_euhms-networks:ewon_cosy\+_4g_jphms-networks:ewon_cosy\+_4g_nahms-networks:ewon_cosy\+_ethernethms-networks:ewon_cosy\+_firmwarehms-networks:ewon_cosy\+_wifi

Weaknesses (CWE)

CWE-798CWE-798

References

https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/(cve@mitre.org)

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(cve@mitre.org)

https://www.ewon.biz/products/cosy/ewon-cosy-wifi(cve@mitre.org)

https://www.hms-networks.com/cyber-security(cve@mitre.org)

http://seclists.org/fulldisclosure/2024/Aug/22(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.