CVE-2000-0408 json
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…
published 2000-05-11 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0407
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 58.0%
- EPSS 58.0% chance of exploitation in 30 days, percentile 99%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-19907)
- Published
Exploit prediction
57.96% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-19907 Microsoft IIS 4.0/5.0 - Malformed File Extension Denial of Service dos, 2000-05-11
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
microsoft.com
/technet/support/kb.asp?ID=260205
vendor-advisory
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2000/ms00-030
vendor-advisory
-
securityfocus.com
/bid/1190
vdb-entry
- ussrback.com /labs40.html
Sources
- CVE List CVE-2000-0408
- NVD CVE-2000-0408
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.