CVE-2000-0258

7.5 HIGH

Published: April 12, 2000 Modified: April 16, 2026

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/1101

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-023

Source: cve@mitre.org

http://www.securityfocus.com/bid/1101

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-023

Source: af854a3a-2127-422b-91ae-364da2661108

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

20.3%

96th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

microsoft

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