CVE-1999-0229

Medium

Published: 12/05/1999(UTC)Updated: 16/06/2026(UTC)Translated: 26/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

5.87%

92th percentile - higher than 92% of all known CVEs

Vulnerability in Windows NT IIS server allows a DoS attack by sending a request containing the '..\.' sequence.

The attack can cause the web server to become unavailable, disrupting hosted applications and services.

Install the appropriate security patch from Microsoft or upgrade to a newer version of the system that is not vulnerable to this attack.

Original NVD description (English source)

Denial of service in Windows NT IIS server using ..\..