Boa Webserver 0.94.8.2 Get Effective Rights Engine path traversal

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Boa Webserver 0.94.8.2 and classified as problematic. Impacted is an unknown function of the component Get Effective Rights Engine. Performing a manipulation with the input %2E results in path traversal. This vulnerability is identified as CVE-2000-0920. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Boa Webserver 0.94.8.2 (Web Server). This affects an unknown part of the component Get Effective Rights Engine. The manipulation with the input value %2E leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. The summary by CVE is:

Directory traversal vulnerability in BOA web server 0.94.8.2 and earlier allows remote attackers to read arbitrary files via a modified .. (dot dot) attack in the GET HTTP request that uses a "%2E" instead of a "."

The weakness was released 12/19/2000 with S21SEC (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-2000-0920. 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. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10122 (Boa Webserver 0.94.2.x File Disclosure Vulnerability).

Upgrading to version 0.94.8.3-1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5330), Tenable (10297), SecurityFocus (BID 1770†) and Vulnerability Center (SBV-272†). Entries connected to this vulnerability are available at VDB-40185, VDB-45270, VDB-53526 and VDB-55327. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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: 10527
OpenVAS Name: Boa file retrieval
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Webserver 0.94.8.3-1

Timelineinfo

11/05/1999 🔍
10/10/2000 +340 days 🔍
12/19/2000 +70 days 🔍
12/19/2000 +0 days 🔍
12/19/2000 +0 days 🔍
12/04/2002 +715 days 🔍
07/01/2014 +4227 days 🔍
10/12/2025 +4121 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Organization: S21SEC
Status: Confirmed

CVE: CVE-2000-0920 (🔍)
GCVE (CVE): GCVE-0-2000-0920
GCVE (VulDB): GCVE-100-16131
X-Force: 5330
SecurityFocus: 1770 - Boa Webserver 0.94.2.x File Disclosure Vulnerability
Vulnerability Center: 272 - BOA Web Server < 94.8.2 Directory Traversal Attack Allows Arbitrary File Read, Medium

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

Entryinfo

Created: 07/01/2014 17:28
Updated: 10/12/2025 07:47
Changes: 07/01/2014 17:28 (70), 05/05/2019 20:58 (3), 06/25/2021 10:05 (3), 12/20/2024 14:04 (24), 10/12/2025 07:47 (2)
Complete: 🔍
Cache ID: 216:D25:103

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