What’s Vulnerable › Vulnerabilities

CVE-2000-0408

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 58.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-05-11 · updated 2026-06-16

Description

IIS 4.05 and 5.0 allow remote attackers to cause a denial of service via a long, complex URL that appears to contain a large number of file extensions, aka the "Malformed Extension Data in URL" vulnerability.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft IIS: 5.0

References

• http://www.microsoft.com/technet/support/kb.asp?ID=260205
• http://www.securityfocus.com/bid/1190
• http://www.ussrback.com/labs40.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-030
• http://www.microsoft.com/technet/support/kb.asp?ID=260205
• http://www.securityfocus.com/bid/1190
• http://www.ussrback.com/labs40.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-030

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