CVE-2024-33894

2024-08-0218:16:18

CWE-269

[email protected]

web.nvd.nist.gov

cosy devices

insecure permission

elevated privileges

firmware vulnerability

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

16.3%

JSON

Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges.

References

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

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

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

www.hms-networks.com/cyber-security