CVE-2000-0258
HIGHMicrosoft Internet Information Server - Improper Input Validation
Title source: ruleDescription
IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.
Scores
CVSS v3
7.5
EPSS
0.2031
EPSS Percentile
95.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Classification
CWE
CWE-20
Status
draft
Affected Products (2)
microsoft/internet_information_server
microsoft/internet_information_services
Timeline
Published
Apr 12, 2000
Tracked Since
Feb 18, 2026