What’s Vulnerable › Vulnerabilities
CVE-2003-1025
- Severity: medium (CVSS 4.3 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 26.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2004-01-20 · updated 2026-06-16
- Weakness: CWE-20
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."
Affected products
References
- http://www.kb.cert.org/vuls/id/652278
- http://www.securityfocus.com/archive/1/346948
- http://www.us-cert.gov/cas/techalerts/TA04-033A.html
- http://www.zapthedingbat.com/security/ex01/vun1.htm
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13935
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A490
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A491
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A510
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A511
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A512
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A513
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