Feed/CVE-2021-47865
CVE-2021-47865HIGHCVSS 7.5

CVE-2021-47865

Published Jan 21, 2026·Updated Jun 16, 2026

NVD Description

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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