vulnerability
ProFTP ProFTPd: CVE-2021-47865: Allocation of Resources Without Limits or Throttling
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Jan 21, 2026 | Jan 22, 2026 | Jan 26, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 21, 2026
Added
Jan 22, 2026
Modified
Jan 26, 2026
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.
Solution
proftp-proftpd-upgrade-latest
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