Luizpicanco HServer 0.1.1 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Luizpicanco HServer 0.1.1 and classified as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The software 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 software 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. Impacted is confidentiality. The summary by CVE is:

Directory traversal vulnerability in HServer 0.1.1 allows remote attackers to read arbitrary files via a (1) ..%5c (dot dot encoded backslash) or (2) %2e%2e%5c (encoded dot dot backslash) in the PATH_INFO.

The weakness was released 09/23/2012 by Alex (Website). It is possible to read the advisory at The identification of this vulnerability is CVE-2012-5100 since 09/23/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 10297 (Web Server Directory Traversal Arbitrary File Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (72138) and Tenable (10297). Entries connected to this vulnerability are available at 16131, 40185, 45270 and 53526.




CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
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VulDB Base Score: 🔍
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Class: Path traversal
ATT&CK: T1006

Local: No
Remote: Yes

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

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Nessus ID: 10297
Nessus Name: Web Server Directory Traversal Arbitrary File Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802410
OpenVAS Name: HServer Webserver Multiple Directory Traversal Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


11/05/1999 🔍
01/05/2012 +4444 days 🔍
09/23/2012 +262 days 🔍
09/23/2012 +0 days 🔍
09/23/2012 +0 days 🔍
03/24/2015 +912 days 🔍
12/14/2021 +2457 days 🔍


Researcher: Alex
Status: Not defined

CVE: CVE-2012-5100 (🔍)
X-Force: 72138
SecurityFocus: 51286 - HServer Directory Traversal Vulnerability

See also: 🔍


Created: 03/24/2015 12:22 PM
Updated: 12/14/2021 09:24 AM
Changes: 03/24/2015 12:22 PM (62), 02/22/2019 11:34 AM (2), 12/14/2021 09:24 AM (3)
Complete: 🔍


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