CVEvulnerability
CVE-2024-33895
6.6 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2024-08-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.6 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.6 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-798
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.
Affected configurations
• hms-networks ewon cosy\+ firmware (>= 21.0 <= 21.2s10)
• hms-networks ewon cosy\+ firmware (>= 22.0 <= 22.1s3)
Related
Weakness · CWE (1)
- CWE-798 Use of Hard-coded Credentials weakness
References
- https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/ 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 Vendor Advisory
- https://www.ewon.biz/products/cosy/ewon-cosy-wifi Product
- https://www.hms-networks.com/cyber-security Vendor Advisory
- http://seclists.org/fulldisclosure/2024/Aug/22 seclists.org