T. Hauck Jana Web Server up to 1.46 Hex Encoded URL handler path traversal

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in T. Hauck Jana Web Server up to 1.46 and classified as problematic. The impacted element is an unknown function of the component Hex Encoded URL handler. This manipulation with the input %2e%2e causes path traversal. This vulnerability is tracked as CVE-2001-0557. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in T. Hauck Jana Web Server up to 1.46 (Web Server) and classified as problematic. Affected by this vulnerability is an unknown part of the component Hex Encoded URL handler. The manipulation with the input value %2e%2e leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The summary by CVE is:

T. Hauck Jana Webserver 1.46 and earlier allows a remote attacker to view arbitrary files via a .. (dot dot) attack which is URL encoded (%2e%2e).

The weakness was disclosed 08/14/2001 as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is known as CVE-2001-0557. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86028 (T. Hauck Jana Server Hex Encoded Directory Traversal Vulnerability).

Upgrading to version 2.0 Beta2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6513), Exploit-DB (20829), SecurityFocus (BID 2703†), OSVDB (5779†) and Vulnerability Center (SBV-5991†). The entry VDB-14895 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Server

Vendor

• T. Hauck

Name

• Jana Web Server

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Jana Web Server 2.0 Beta2

Timelineinfo

05/07/2001 🔍
05/07/2001 +0 days 🔍
08/14/2001 +99 days 🔍
08/14/2001 +0 days 🔍
11/24/2004 +1198 days 🔍
07/07/2014 +3512 days 🔍
05/11/2025 +3961 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2001-0557 (🔍)
GCVE (CVE): GCVE-0-2001-0557
GCVE (VulDB): GCVE-100-17167
CERT: 🔍
X-Force: 6513 - Jana Server hexadecimal URL encoded format directory traversal
SecurityFocus: 2703 - T. Hauck Jana Server Hex Encoded Directory Traversal Vulnerability
OSVDB: 5779 - Jana Web Server Hex Encoded Arbitrary File Access
Vulnerability Center: 5991 - Directory Traversal in T. Hauck Jana Webserver <= 1.46 via URL, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/08/2014 00:28
Updated: 05/11/2025 10:34
Changes: 07/08/2014 00:28 (67), 06/03/2019 12:10 (2), 12/22/2024 20:39 (17), 05/11/2025 10:34 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

Might our Artificial Intelligence support you?

Check our Alexa App!