Vulnerability Details CVE-2024-33895
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.4%
CVSS Severity
CVSS v3 Score 6.6
References
- https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/
- 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://www.ewon.biz/products/cosy/ewon-cosy-wifi
- https://www.hms-networks.com/cyber-security
Products affected by CVE-2024-33895
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cpe:2.3:h:hms-networks:ewon_cosy+_4g_apac:-
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cpe:2.3:h:hms-networks:ewon_cosy+_4g_eu:-
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cpe:2.3:h:hms-networks:ewon_cosy+_4g_jp:-
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cpe:2.3:h:hms-networks:ewon_cosy+_4g_na:-
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cpe:2.3:h:hms-networks:ewon_cosy+_ethernet:-
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cpe:2.3:h:hms-networks:ewon_cosy+_wifi:-
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.0s0
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.0s1
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.1s1
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s0
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s1
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s10
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s2
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s3
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s4
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s7
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:21.2s8
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:22.0s0
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:22.0s1
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:22.1s0
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:22.1s0pr
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cpe:2.3:o:hms-networks:ewon_cosy+_firmware:22.1s3