What’s Vulnerable › Vulnerabilities

CVE-1999-0598

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1999-01-01 · updated 2026-06-16

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

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