Vulnerabilities > CVE-1999-1150 - Unspecified vulnerability in Livingston Portmaster Initial
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
PARTIAL Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Hardware | 1 |