CVE-1999-0281

Internet Information Server - Denial of Service via Long URL

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0281. PoCs published by Andrea Arcangeli.

AI-analyzed exploit summary This exploit targets a denial-of-service vulnerability in Microsoft IIS versions 2.0, 3.0, and 4.0 prior to SP4. It sends a maliciously crafted HTTP GET request with a specific URL length (4k-8k) to crash the server.

Description

Denial of service in IIS using long URLs.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Andrea Arcangeli · cdoswindows
https://www.exploit-db.com/exploits/20802

This exploit targets a denial-of-service vulnerability in Microsoft IIS versions 2.0, 3.0, and 4.0 prior to SP4. It sends a maliciously crafted HTTP GET request with a specific URL length (4k-8k) to crash the server.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Internet Information Server (IIS) 2.0, 3.0, 4.0 (pre-SP4)
No auth needed
Prerequisites: Network access to the target IIS server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0281

Scores

EPSS 0.1259
EPSS Percentile 95.7%

Details

Status published
Products (2)
microsoft/internet_information_server 3.0
microsoft/internet_information_services 2.0
Published Jun 01, 1997
Tracked Since Feb 18, 2026