CVE-2000-0302
MediumPublic exploitMicrosoft Index Server allows remote attackers to view the source code of ASP files by appending a %20 to the filename in the CiWebHitsFile argument to the null.htw URL.
Published Mar 31, 2000 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2000-0302 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Index Server (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 79% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
5.0
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS (30-day exploit likelihood)
79%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2000-0302 brief as a PDF
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Description
Microsoft Index Server allows remote attackers to view the source code of ASP files by appending a %20 to the filename in the CiWebHitsFile argument to the null.htw URL.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Index ServerMicrosoft | 2.0 | n/a |
Timeline
Publicly disclosed
Mar 31, 2000
Last updated
Apr 15, 2026
References
- exploitExploitDB-19830
- other20000331 Alert: MS Index Server (CISADV000330)
- otherMS00-006
- other271
- other1084
FAQ
Common Questions.
Microsoft Index Server allows remote attackers to view the source code of ASP files by appending a %20 to the filename in the CiWebHitsFile argument to the null.htw URL.
Affected: Index Server (Microsoft) versions 2.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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