CVE-2003-1025

N/A Unknown
Published: January 20, 2004 Modified: April 16, 2026
View on NVD

Description

Internet Explorer 5.01 through 6 SP1 allows remote attackers to spoof the domain of a URL via a "%01" character before an @ sign in the user@domain portion of the URL, which hides the rest of the URL, including the real site, in the address bar, aka the "Improper URL Canonicalization Vulnerability."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.kb.cert.org/vuls/id/652278
Source: cve@mitre.org
Third Party Advisory US Government Resource
http://www.securityfocus.com/archive/1/346948
Source: cve@mitre.org
Vendor Advisory
http://www.us-cert.gov/cas/techalerts/TA04-033A.html
Source: cve@mitre.org
US Government Resource
http://www.zapthedingbat.com/security/ex01/vun1.htm
Source: cve@mitre.org
Exploit Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/13935
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A490
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A491
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A510
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A511
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A512
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A513
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A526
Source: cve@mitre.org
http://www.kb.cert.org/vuls/id/652278
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
http://www.securityfocus.com/archive/1/346948
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.us-cert.gov/cas/techalerts/TA04-033A.html
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.zapthedingbat.com/security/ex01/vun1.htm
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/13935
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A490
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A491
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A510
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A511
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A512
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A513
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A526
Source: af854a3a-2127-422b-91ae-364da2661108

26 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
64.2%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

microsoft

Related CVEs

CVE-2026-6579 6.5
CVE-2026-6578 5.6
CVE-2026-6577 7.3
CVE-2026-6576 6.3
CVE-2026-6574 7.3