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Case File

CVE-1999-1150

HIGH · CVSS 7.5 EPSS 1.36%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 1998-06-30 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-1999-1150
Severity
HIGH
CVSS
7.5
EPSS
1.36%

Original NVD Description

Livingston Portmaster routers running ComOS use the same initial sequence number (ISN) for TCP connections, which allows remote attackers to conduct spoofing and hijack TCP sessions.