T. Hauck Jana Web Server up to 1.4.6/2.2.1 FTP Server PASV denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in T. Hauck Jana Web Server up to 1.4.6/2.2.1. It has been declared as problematic. Affected by this issue is some unknown functionality of the component FTP Server. Executing a manipulation of the argument PASV can lead to denial of service. This vulnerability is handled as CVE-2002-1063. There is not any exploit available.

Detailsinfo

A vulnerability has been found in T. Hauck Jana Web Server up to 1.4.6/2.2.1 (Web Server) and classified as problematic. This vulnerability affects some unknown processing of the component FTP Server. The manipulation of the argument PASV with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Thomas Hauck Jana Server 2.x through 2.2.1, and 1.4.6 and earlier, allows remote attackers to cause a denial of service (resource exhaustion) via a large number of FTP PASV requests, which consumes all available FTP ports.

The weakness was released 10/04/2002 by 3APA3A as not defined posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability was named CVE-2002-1063. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 27155 (T. Hauck Jana Server FTP Server PASV Mode Port Exhaustion Denial of Service Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (9687), SecurityFocus (BID 5325†) and Vulnerability Center (SBV-3761†). Entries connected to this vulnerability are available at VDB-18974, VDB-18975, VDB-18977 and VDB-18978. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2002 🔍
10/04/2002 +70 days 🔍
10/04/2002 +0 days 🔍
10/04/2002 +0 days 🔍
02/16/2004 +500 days 🔍
07/29/2014 +3816 days 🔍
09/09/2025 +4060 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: 3APA3A
Status: Not defined

CVE: CVE-2002-1063 (🔍)
GCVE (CVE): GCVE-0-2002-1063
GCVE (VulDB): GCVE-100-18976
X-Force: 9687
SecurityFocus: 5325 - T. Hauck Jana Server FTP Server PASV Mode Port Exhaustion Denial Of Service Vulnerability
Vulnerability Center: 3761 - DoS in Thomas Hauck Jana Server via a Large Number of FTP PASV Requests, Medium

See also: 🔍

Entryinfo

Created: 07/29/2014 13:21
Updated: 09/09/2025 06:00
Changes: 07/29/2014 13:21 (57), 05/19/2019 21:24 (4), 09/09/2025 06:00 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!