CVE-2024-33895

6.6 MEDIUM

Published: August 02, 2024 Modified: November 04, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: cve@mitre.org

Exploit Third Party Advisory

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

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

Product

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

Source: cve@mitre.org

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.6 / 10.0

EPSS (Exploit Probability)

0.4%

59th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-798 CWE-798

Affected Vendors

hms-networks

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