Vulnerability Details CVE-2024-33896
Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.071
EPSS Ranking 91.1%
CVSS Severity
CVSS v3 Score 7.2
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-2024-33896
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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