What’s Vulnerable › Vulnerabilities

CVE-2000-0024

• Severity: medium (CVSS 6.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1999-12-21 · updated 2026-06-16

Description

IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via escape characters, aka the "Escape Character Parsing" vulnerability.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft Site Server: 3.0
• Microsoft Site Server Commerce: 3.0

References

• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ246401
• http://www.acrossecurity.com/aspr/ASPR-1999-11-10-1-PUB.txt
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-061
• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ246401
• http://www.acrossecurity.com/aspr/ASPR-1999-11-10-1-PUB.txt
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-061

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