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Vulnerability record · CVE-2003-1559 · published 31 December 2003

CVE-2003-1559: Microsoft ie information exposure vulnerability

Microsoft · Ie

Microsoft Internet Explorer 5.22, and other 5 through 6 SP1 versions, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.

5.0 CVSS 2.0 Medium EPSS 16% · top 3.2% CWE-200 · Information exposure
5.0CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Microsoft Internet Explorer 5.22, and other 5 through 6 SP1 versions, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securityreason.com/securityalert/3989
http://www.gadgetopia.com/2003/12/23/OutlookWebAccessPrivacyHole.html
http://www.securityfocus.com/archive/1/348360
http://www.securityfocus.com/archive/1/348574
http://www.securityfocus.com/bid/9295
http://securityreason.com/securityalert/3989
http://www.gadgetopia.com/2003/12/23/OutlookWebAccessPrivacyHole.html
http://www.securityfocus.com/archive/1/348360
http://www.securityfocus.com/archive/1/348574
http://www.securityfocus.com/bid/9295

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-1559), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.