CVE-1999-0454

High CVSS 10

Published 1999-01-01 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-0454, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.

Sources

NVD record for CVE-1999-0454

CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C