{"id":"CVE-2021-30047","aliases":["EUVD-2021-16991","GHSA-p8mp-mm84-7pqr"],"status":"published","title":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections...","description":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03213,"percentile":0.88352,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-08-22T00:00:00Z","modified":"2026-06-17T03:49:38Z","exploits":[{"source":"nuclei","id":"CVE-2021-30047","title":"vsftpd \u003c 3.0.3 - DoS","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2021/CVE-2021-30047.yaml"}],"products":[{"vendor":"vsftpd_project","product":"vsftpd"}],"references":[{"url":"https://www.exploit-db.com/exploits/49719","tags":["x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30047"},{"url":"https://github.com/advisories/GHSA-p8mp-mm84-7pqr"}],"sources":{"cve":[{"id":"CVE-2021-30047","description":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T17:59:53.514Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-16991","description":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T17:59:53Z","updated_at":"2026-11-03T00:27:54.233481Z"}],"ghsa":[{"id":"GHSA-p8mp-mm84-7pqr","title":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections...","description":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.","status":"published","published":"2023-08-22T21:30:26Z","modified":"2024-04-04T07:07:14Z","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":"2026-11-02T14:56:48.229282Z"}],"nvd":[{"id":"CVE-2021-30047","description":"VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.","status":"published","published":"2023-08-22T19:16:20.29Z","modified":"2026-06-17T03:49:38.02Z","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":"primary"}],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}