{"id":"CVE-2021-43547","aliases":["EUVD-2021-30476","GHSA-c6m8-cmm6-5qvg"],"status":"published","title":"TwinOaks Computing CoreDX DDS Secure Network Amplification","description":"TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02526,"percentile":0.85016,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-406"],"published":"2022-05-05T15:19:13Z","modified":"2026-06-17T04:11:06Z","products":[{"vendor":"twinoaks computing","product":"coredx dds"},{"vendor":"twinoakscomputing","product":"coredx_dds"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.twinoakscomputing.com/coredx/download","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43547"},{"url":"https://github.com/advisories/GHSA-c6m8-cmm6-5qvg"}],"sources":{"cve":[{"id":"CVE-2021-43547","title":"TwinOaks Computing CoreDX DDS Secure Network Amplification","description":"TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T15:19:13Z","modified":"2025-04-16T16:23:26.254Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30476","description":"TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T15:19:13Z","modified":"2025-04-16T16:23:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:24.329168Z"}],"ghsa":[{"id":"GHSA-c6m8-cmm6-5qvg","title":"TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an...","description":"TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-06T00:00:43Z","modified":"2023-02-01T05:02:08Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:49:51.128354Z"}],"nvd":[{"id":"CVE-2021-43547","description":"TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T17:15:10.097Z","modified":"2026-06-17T04:11:06.733Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}