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Vulnerability details: VCID-cgqk-f3fx-sfe9
Vulnerability ID VCID-cgqk-f3fx-sfe9
Aliases CVE-2002-0661
Summary Certain URIs would bypass security and allow users to invoke or access any file depending on the system configuration. Affects Windows, OS2, Netware and Cygwin platforms only.
Status Published
Exploitability 2.0
Weighted Severity 6.8
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.91312 https://api.first.org/data/v1/epss?cve=CVE-2002-0661
epss 0.91312 https://api.first.org/data/v1/epss?cve=CVE-2002-0661
epss 0.91312 https://api.first.org/data/v1/epss?cve=CVE-2002-0661
epss 0.91312 https://api.first.org/data/v1/epss?cve=CVE-2002-0661
epss 0.91312 https://api.first.org/data/v1/epss?cve=CVE-2002-0661
apache_httpd important https://httpd.apache.org/security/json/CVE-2002-0661.json
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2002-0661
Reference id Reference type URL
http://httpd.apache.org/info/security_bulletin_20020908a.txt
http://marc.info/?l=bugtraq&m=102892744011436&w=2
http://marc.info/?l=bugtraq&m=102951160411052&w=2
https://api.first.org/data/v1/epss?cve=CVE-2002-0661
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-0661
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
http://www.iss.net/security_center/static/9808.php
http://www.securityfocus.com/bid/5434
cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.28:beta:win32:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.28:beta:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.32:beta:win32:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.32:beta:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.34:beta:win32:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.34:beta:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:*
CVE-2002-0661 https://httpd.apache.org/security/json/CVE-2002-0661.json
CVE-2002-0661 https://nvd.nist.gov/vuln/detail/CVE-2002-0661
CVE-2002-0661;OSVDB-859 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/21697.txt
CVE-2002-0661;OSVDB-859 Exploit https://www.securityfocus.com/bid/5434/info
Data source Exploit-DB
Date added Aug. 9, 2002
Description Apache 2.0 - Encoded Backslash Directory Traversal
Ransomware campaign use Known
Source publication date Aug. 9, 2002
Exploit type remote
Platform windows
Source update date Oct. 3, 2012
Source URL https://www.securityfocus.com/bid/5434/info
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2002-0661
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.99651
EPSS Score 0.91312
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:11.611828+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2002-0661.json 38.0.0