CVE-2024-33893

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

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.pdfVendor Advisory
https://www.ewon.biz/products/cosy/ewon-cosy-wifiProduct
https://www.hms-networks.com/cyber-securityVDB Entry, Vendor Advisory
http://seclists.org/fulldisclosure/2024/Aug/19
http://seclists.org/fulldisclosure/2024/Aug/22

Timeline

Published: Aug 2, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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