{"id":"CVE-2024-33897","aliases":["EUVD-2024-31601","GHSA-x2r7-mhp8-xvhm"],"status":"published","title":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request...","description":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue. The issue was patched on the Talk2m production server on April 18, 2024.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0066,"percentile":0.51837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-425"],"published":"2024-08-06T00:00:00Z","modified":"2026-06-17T07:32:31Z","products":[{"vendor":"hms-networks","product":"ewon_cosy\\+_firmware"},{"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":["Not Applicable"]},{"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/24"},{"url":"http://seclists.org/fulldisclosure/2024/Aug/27"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-33897"},{"url":"https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway"},{"url":"https://github.com/advisories/GHSA-x2r7-mhp8-xvhm"}],"sources":{"cve":[{"id":"CVE-2024-33897","description":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue. The issue was patched on the Talk2m production server on April 18, 2024.","status":"published","published":"2024-08-06T00:00:00Z","modified":"2024-08-22T23:03:06.344Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-425"],"updated_at":"2026-11-02T14:34:21.404483Z"}],"euvd":[{"id":"EUVD-2024-31601","description":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue. The issue was patched on the Talk2m production server on April 18, 2024.","status":"published","published":"2024-08-06T00:00:00Z","modified":"2024-08-22T23:03:06Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:56:12.794655Z"}],"ghsa":[{"id":"GHSA-x2r7-mhp8-xvhm","title":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request...","description":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue. The issue was patched on the Talk2m production server on April 18, 2024.","status":"published","published":"2024-08-06T15:30:54Z","modified":"2024-08-12T18:31:53Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-425"],"updated_at":"2026-11-02T14:57:55.768435Z"}],"nvd":[{"id":"CVE-2024-33897","description":"A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue. The issue was patched on the Talk2m production server on April 18, 2024.","status":"published","published":"2024-08-06T14:16:03.87Z","modified":"2026-06-17T07:32:31.533Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-425"],"updated_at":"2026-11-02T14:10:17.832118Z"}]}}