CVE-2024-33895

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

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

References

• https://www.ewon.biz/products/cosy/ewon-cosy-wifi
• https://www.hms-networks.com/cyber-security
• 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
• https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/

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