What’s Vulnerable › Vulnerabilities

CVE-2003-0309

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 50.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-06-09 · updated 2026-06-16

Description

Internet Explorer 5.01, 5.5, and 6.0 allows remote attackers to bypass security zone restrictions and execute arbitrary programs via a web document with a large number of duplicate file:// or other requests that point to the program and open multiple file download dialogs, which eventually cause Internet Explorer to execute the program, as demonstrated using a large number of FRAME or IFRAME tags, aka the "File Download Dialog Vulnerability."

Affected products

• Microsoft Internet Explorer 11: 6.0.2800

References

• http://marc.info/?l=bugtraq&m=105249399103214&w=2
• http://marc.info/?l=bugtraq&m=105294081325040&w=2
• http://marc.info/?l=ntbugtraq&m=105294162726096&w=2
• http://secunia.com/advisories/8807
• http://www.kb.cert.org/vuls/id/251788
• http://www.securityfocus.com/bid/7539
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-020
• https://exchange.xforce.ibmcloud.com/vulnerabilities/12019
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A948
• http://marc.info/?l=bugtraq&m=105249399103214&w=2
• http://marc.info/?l=bugtraq&m=105294081325040&w=2
• http://marc.info/?l=ntbugtraq&m=105294162726096&w=2

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