Transsoft Broker FTP Server up to 5.9.5.0 Command CD/CWD denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Transsoft Broker FTP Server up to 5.9.5.0. Affected by this issue is some unknown functionality of the component Command Handler. Performing a manipulation of the argument CD/CWD results in denial of service. This vulnerability was named CVE-2001-0688. In addition, an exploit is available. It is suggested to use restrictive firewalling.
Details
A vulnerability was found in Transsoft Broker FTP Server up to 5.9.5.0 (File Transfer Software). It has been classified as problematic. This affects an unknown functionality of the component Command Handler. The manipulation of the argument CD/CWD with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
Broker FTP Server 5.9.5.0 allows a remote attacker to cause a denial of service by repeatedly issuing an invalid CD or CWD ("CD . .") command.
The weakness was presented 09/20/2001 by ByteRage as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2001-0688. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.
A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27079 (TransSoft Broker CWD Buffer Overflow Vulnerability).
It is possible to mitigate the weakness by firewalling .
The vulnerability is also documented in the databases at X-Force (6673), Exploit-DB (20910), SecurityFocus (BID 2851†) and Vulnerability Center (SBV-3760†). See VDB-17402 and VDB-18445 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.7
VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Timeline
06/10/2001 🔍06/10/2001 🔍
09/20/2001 🔍
09/20/2001 🔍
02/16/2004 🔍
07/09/2014 🔍
10/05/2025 🔍
Sources
Advisory: securityfocus.com⛔Researcher: ByteRage
Status: Not defined
CVE: CVE-2001-0688 (🔍)
GCVE (CVE): GCVE-0-2001-0688
GCVE (VulDB): GCVE-100-17403
X-Force: 6673
SecurityFocus: 2851 - TransSoft Broker CWD Buffer Overflow Vulnerability
Vulnerability Center: 3760 - DoS in Broker FTP Server 5.9.5.0 via an Invalid CD or CWD Command, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 07/09/2014 12:44Updated: 10/05/2025 07:43
Changes: 07/09/2014 12:44 (66), 05/19/2019 21:18 (2), 05/14/2025 06:13 (21), 10/05/2025 07:43 (3)
Complete: 🔍
Cache ID: 216:F94:103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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