Improper input validation in Typsoft FTP Server

CVE-2009-1668

TYPSoft FTP Server 1.11 allows remote attackers to cause a denial of service (CPU consumption) by sending an ABOR (abort) command without an active file transfer.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2009-05-18 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.060 (93.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000

Affected products

Typsoft FTP Server — versions 1.11

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.exploit-db.com/exploits/8650 (exploit)
www.securityfocus.com/bid/34901 (Exploit, vdb-entry)
www.securitytracker.com/id (vdb-entry)