CVE-2001-1156

Exp

TYPSoft FTP 0.95 allows remote attackers to cause a denial of service (CPU consumption) via a "../../*" argument to (1) STOR or (2) RETR.

Published: 2001-10-08 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-1156 is rated High Exploit Risk (64.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 5.88%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2001-1156

EDB-ID Source Kind Published Link
1251 exploit_db edb 2005-10-14 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-1156

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 2025-03-30 7.67% 5.88% -1.80%
2 2025-03-29 5.88% 7.67% +1.80%
3 2025-03-17 5.88%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1156

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-1156

Affected software / configurations for CVE-2001-1156

Vendor Product Version Raw CPE
typsoft typsoft_ftp_server 0.95 cpe:2.3:a:typsoft:typsoft_ftp_server:0.95:*:*:*:*:*:*:*

References for CVE-2001-1156

cvelogic Threat Intelligence