CVE-2009-1668

Exp

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.

Published: 2009-05-18 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1668 is rated High Exploit Risk (60.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.11%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-1668

EDB-ID Source Kind Published Link
8650 exploit_db edb 2009-05-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-1668

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-18 1.95% 2.11% +0.16%
2 2025-12-04 1.79% 1.95% +0.16%
3 2025-03-30 — 1.79% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1668

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2009-1668

Affected software / configurations for CVE-2009-1668

Vendor Product Version Raw CPE
typsoft typsoft_ftp_server 1.11 cpe:2.3:a:typsoft:typsoft_ftp_server:1.11:*:*:*:*:*:*:*

References for CVE-2009-1668

cvelogic Threat Intelligence