CVE-1999-0598

high

Description

A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection.

References

http://www.robertgraham.com/mirror/Ptacek-Newsham-Evasion-98.html

Details

Source: Mitre, NVD

Published: 1999-01-01

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00483