{"id":"CVE-2021-38429","aliases":["EUVD-2021-24881","GHSA-gjcc-3vr8-g68x"],"status":"published","title":"OCI OpenDDS Secure Network Amplification","description":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01466,"percentile":0.73904,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-406"],"published":"2022-05-05T15:26:18Z","modified":"2026-10-24T10:30:47Z","products":[{"vendor":"objectcomputing","product":"opendds"},{"vendor":"oci","product":"opendds"}],"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","advisory"]},{"url":"https://opendds.org/","tags":["x_refsource_CONFIRM","x_transferred","Product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38429"},{"url":"https://github.com/advisories/GHSA-gjcc-3vr8-g68x"}],"sources":{"cve":[{"id":"CVE-2021-38429","title":"OCI OpenDDS Secure Network Amplification","description":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T15:26:18Z","modified":"2025-04-16T16:22:55.082Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24881","description":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T15:26:18Z","modified":"2025-04-16T16:22:55Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:24.329168Z"}],"ghsa":[{"id":"GHSA-gjcc-3vr8-g68x","title":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted...","description":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-06T00:00:46Z","modified":"2023-02-01T05:02:08Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:49:51.128354Z"}],"nvd":[{"id":"CVE-2021-38429","description":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T17:15:09.233Z","modified":"2026-06-17T04:02:04.937Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:07:06.029737Z"}],"osv":[{"id":"CVE-2021-38429","description":"OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.","status":"published","published":"2022-05-05T17:15:09.233Z","modified":"2026-10-24T10:30:47.057529529Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}