CVE-2000-0408
mediumpriority · attend · 50EPSS 0.580 · 99 %ileexploit · functionalEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-19907Microsoft IIS 4.0/5.0 - Malformed File Extension Denial of Servicefunctional · exploit_db
affected products (3)
Products and version ranges known to be affected.
- microsoft internet information server= 4.0nvdUScpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
- microsoft internet information services= 5.0nvdUScpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- http://www.microsoft.com/technet/support/kb.asp?ID=260205enisa_euvd
- http://www.securityfocus.com/bid/1190enisa_euvd
- http://www.ussrback.com/labs40.htmlenisa_euvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-030enisa_euvd
- http://www.microsoft.com/technet/support/kb.asp?ID=260205nvd
- http://www.securityfocus.com/bid/1190nvd
- http://www.ussrback.com/labs40.htmlnvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-030nvd
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