CVE-2002-1744

EPSS

67.26%V4

Vector

Network

Published

2005-06-21
02h00 +00:00

Modified

2017-07-10
12h57 +00:00

Official links

CVE.org

NVD

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Criteria applied when sending the alert: compared with the last alert sent + differences in CISA, EPSS, CVSS, CWE, Solutions, CPE.

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CVE Descriptions

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).

CVE Informations

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	5		AV:N/AC:L/Au:N/C:P/I:N/A:N	nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	34.23%	–	–
2022-04-03	–	–	34.23%	–	–
2023-03-12	–	–	–	7.25%	–
2023-10-15	–	–	–	4.64%	–
2024-06-02	–	–	–	3.58%	–
2024-12-22	–	–	–	3.74%	–
2025-01-19	–	–	–	3.74%	–
2025-03-18	–	–	–	–	72.86%
2025-03-30	–	–	–	–	67.26%
2025-04-11	–	–	–	–	65.64%
2025-04-12	–	–	–	–	67.26%
2025-05-01	–	–	–	–	65.64%
2025-05-04	–	–	–	–	67.26%
2025-05-04	–	–	–	–	67.26,%

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Date	Percentile
2022-02-06	97%
2022-04-03	98%
2023-03-12	93%
2023-10-15	92%
2024-06-02	92%
2024-12-22	92%
2025-01-19	92%
2025-03-18	99%
2025-03-30	98%
2025-04-11	98%
2025-04-12	98%
2025-05-01	98%
2025-05-04	98%
2025-05-04	98%

Exploit information

Exploit Database EDB-ID : 21385

Publication date : 2002-04-15 22h00 +00:00
Author : H D Moore
EDB Verified : Yes

source: https://www.securityfocus.com/bid/4525/info Microsoft IIS 5.0 ships with a sample script that may be used to view the source code of other scripts in the sample scripts (/IISSAMPLES) directory. However, this script (CodeBrws.asp) does not adequately filter unicode representations of directory traversals. For example, an attacker can break out of the sample script directory by substituting '%c0%ae%c0%ae' for '..' in a dot-dot-slash directory traversal attack. It has been demonstrated that this issue may be exploited to map out the directory structure of the filesystem on a host running the vulnerable script. http://target/iissamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/default.asp The following example was also provided to demonstrate that the directory structure may be mapped out using this vulnerability: Request: http://target/IISSamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/%c0%ae%c0%ae/bogus_directory/nonexistent.asp Response: Microsoft VBScript runtime (0x800A004C) Path not found Request: http://target/IISSamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/%c0%ae%c0%ae/oracle/nonexistant.asp Response: Microsoft VBScript runtime (0x800A0035) File not found