Microsoft IIS 5.0 CodeBrws.asp 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 marked as critical has been reported in Microsoft IIS 5.0. Impacted is an unknown function of the file CodeBrws.asp. This manipulation with the input %c0%ae%c0%ae causes path traversal. This vulnerability is tracked as CVE-2002-1744. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical was found in Microsoft IIS 5.0 (Web Server). Affected by this vulnerability is an unknown code of the file CodeBrws.asp. The manipulation with the input value %c0%ae%c0%ae 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 CodeBrws.asp in Microsoft IIS 5.0 allows remote attackers to view source code and determine the existence of arbitrary files via a hex-encoded "%c0%ae%c0%ae" string, which is the Unicode representation for ".." (dot dot).

The issue has been introduced in 02/17/2000. The weakness was disclosed 12/31/2002 by H D Moore (DiGiT) (Website). It is possible to read the advisory at online.securityfocus.com. This vulnerability is known as CVE-2002-1744 since 06/21/2005. 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 vulnerability was handled as a non-public zero-day exploit for at least 1048 days. During that time the estimated underground price was around $25k-$100k. By approaching the search of inurl:CodeBrws.asp it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86502 (Microsoft IIS CodeBrws.ASP Directory Traversal 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 (8853), Exploit-DB (21385) and SecurityFocus (BID 4525†). The entry VDB-19388 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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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VulDB Base Score: 🔍
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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: 🔍
Google Hack: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/17/2000 🔍
04/16/2002 +789 days 🔍
12/31/2002 +259 days 🔍
12/31/2002 +0 days 🔍
06/21/2005 +903 days 🔍
08/04/2014 +3331 days 🔍
06/09/2025 +3962 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: online.securityfocus.com⛔
Researcher: H D Moore (DiGiT)
Status: Not defined

CVE: CVE-2002-1744 (🔍)
GCVE (CVE): GCVE-0-2002-1744
GCVE (VulDB): GCVE-100-19387
X-Force: 8853
SecurityFocus: 4525 - Microsoft IIS CodeBrws.ASP Source Code Disclosure Vulnerability

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

Entryinfo

Created: 08/04/2014 16:42
Updated: 06/09/2025 04:02
Changes: 08/04/2014 16:42 (54), 04/13/2019 15:12 (6), 06/09/2025 04:02 (27)
Complete: 🔍
Cache ID: 216::103

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

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