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CVE-2003-1025 — MEDIUM severity vulnerability (Internet Explorer 5.01 through 6 SP1 allows remote attackers)

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."

CVE IDCVE-2003-1025
SeverityMEDIUM
CVSS score4.3
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
CWECWE-20
StatusModified
Published2004-01-20
Last modified2026-04-16
DescriptionInternet 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."
SourceNIST National Vulnerability Database

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