A1 HTTP Server 1.0a GET Request path traversal

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in A1 HTTP Server 1.0a. It has been classified as problematic. This affects an unknown function of the component GET Request Handler. This manipulation causes path traversal. This vulnerability is handled as CVE-2001-0286. Additionally, an exploit exists. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability classified as problematic was found in A1 HTTP Server 1.0a (Web Server). Affected by this vulnerability is an unknown code block of the component GET Request Handler. The manipulation with an unknown input 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:

Directory traversal vulnerability in A1 HTTP server 1.0a allows remote attackers to read arbitrary files via a .. (dot dot) in an HTTP GET request.

The weakness was released 05/03/2001 as not defined posting (Bugtraq). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is known as CVE-2001-0286. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. 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 86112 (Robin Twombly A1 HTTP Server Directory Traversal Vulnerability).

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the databases at X-Force (6162), Exploit-DB (20657) and Vulnerability Center (SBV-6516†). Entry connected to this vulnerability is available at VDB-16650. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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: 4.7

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/27/2001 🔍
05/03/2001 +65 days 🔍
05/03/2001 +0 days 🔍
12/15/2004 +1322 days 🔍
07/04/2014 +3488 days 🔍
05/06/2025 +3959 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2001-0286 (🔍)
GCVE (CVE): GCVE-0-2001-0286
GCVE (VulDB): GCVE-100-16651
X-Force: 6162
Vulnerability Center: 6516 - Directory Traversal in Robin Twombly A1 Server 1.0a via Dot-Dot Attack, Medium

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

Entryinfo

Created: 07/04/2014 10:35
Updated: 05/06/2025 20:04
Changes: 07/04/2014 10:35 (40), 05/27/2019 12:37 (18), 05/06/2025 20:04 (27)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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