{"id":"CVE-2024-33895","aliases":["EUVD-2024-31599","GHSA-2m5g-p4h5-r9jp"],"status":"published","title":"Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique...","description":"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.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00515,"percentile":0.44161,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2024-08-02T00:00:00Z","modified":"2026-06-17T07:32:31Z","products":[{"vendor":"hms-networks","product":"ewon_cosy\\+_firmware"}],"references":[{"url":"https://www.ewon.biz/products/cosy/ewon-cosy-wifi","tags":["Product"]},{"url":"https://www.hms-networks.com/cyber-security","tags":["Vendor Advisory"]},{"url":"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","tags":["Vendor Advisory"]},{"url":"https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/","tags":["Exploit","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2024/Aug/22"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-33895"},{"url":"https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway"},{"url":"https://github.com/advisories/GHSA-2m5g-p4h5-r9jp"}],"sources":{"cve":[{"id":"CVE-2024-33895","description":"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.","status":"published","published":"2024-08-02T00:00:00Z","modified":"2025-11-04T16:12:16.505Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:34:21.404483Z"}],"euvd":[{"id":"EUVD-2024-31599","description":"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.","status":"published","published":"2024-08-02T00:00:00Z","modified":"2025-11-04T16:12:16Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T19:49:28.888576Z"}],"ghsa":[{"id":"GHSA-2m5g-p4h5-r9jp","title":"Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique...","description":"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.","status":"published","published":"2024-08-02T18:31:11Z","modified":"2025-11-04T18:31:15Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T15:04:33.412684Z"}],"nvd":[{"id":"CVE-2024-33895","description":"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.","status":"published","published":"2024-08-02T18:16:18.933Z","modified":"2026-06-17T07:32:31.203Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:10:15.933769Z"}]}}