What’s Vulnerable › Vulnerabilities

CVE-2004-1166

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 39.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2004-12-10 · updated 2026-06-16
• Weakness: CWE-94

Description

CRLF injection vulnerability in Microsoft Internet Explorer 6.0.2800.1106 and earlier allows remote attackers to execute arbitrary FTP commands via an ftp:// URL that contains a URL-encoded newline ("%0a") before the FTP command, which causes the commands to be inserted into the resulting FTP session, as demonstrated using a PORT command.

Affected products

• Microsoft Ie: 6.0-sp1, 6.0-sp2
• Microsoft Internet Explorer 11: 6.0

References

• http://marc.info/?l=bugtraq&m=110253463305359&w=2
• http://secunia.com/advisories/13404
• http://secunia.com/advisories/29346
• http://securitytracker.com/id?1012444
• http://www.osvdb.org/12299
• http://www.rapid7.com/advisories/R7-0032.jsp
• http://www.securityfocus.com/archive/1/489500/100/0/threaded
• http://www.securityfocus.com/bid/11826
• http://www.securityfocus.com/bid/28208
• http://www.vupen.com/english/advisories/2006/3212
• http://www.vupen.com/english/advisories/2008/0870
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-042

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