Free and open-source vulnerability scanner

Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.

Install Now

Available for macOS, Windows, and Linux

App screenshot

CVE-1999-1150

CVE information

Published

25 years ago

Last Modified

6 years ago

CVSSv2.0 Severity

High

Impact Analysis

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..

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:h:livingston_portmaster:portmaster:initial:*:*:*:*:*
  Yes
- -