# CVE-2003-1025

## Summary

- **CVE ID:** CVE-2003-1025
- **Severity:** UNKNOWN
- **CVSS Score:** 2.57
- **CWE:** N/A
- **Published:** Jan 6, 2004
- **Last Modified:** Mar 16, 2026

## 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

- n/a — n/a (n/a)

## References

- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A510)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A526)
- [CNA](http://www.kb.cert.org/vuls/id/652278)
- [CNA](http://www.securityfocus.com/archive/1/346948)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A513)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/13935)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A491)
- [CNA](http://www.us-cert.gov/cas/techalerts/TA04-033A.html)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A512)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A490)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004)
- [CNA](http://www.zapthedingbat.com/security/ex01/vun1.htm)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A511)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 64.17%
- **EPSS Percentile:** 98.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._