CVE-2021-47865

HIGH

7.5

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung7.5

SchweregradHIGH

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/21/2026

Zuletzt geandert1/26/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-770

Referenzen

http://www.proftpd.org/(disclosure@vulncheck.com)

https://github.com/proftpd/proftpd/issues/1298(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49697(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/proftpd-a-remote-denial-of-service(disclosure@vulncheck.com)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.