CVE-1999-1150

Published: Jun 30, 1998Modified: Apr 16, 2026

7.5

Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 10.0 / Impact: 6.4

Source: 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.

Affected (1)

Products: Livingston Portmaster: Portmaster

Livingston Portmaster

1 product

Portmaster

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Livingston Portmaster Portmaster	Version initial

References (4)

http://www.securityfocus.com/archive/1/9723

Source: cve@mitre.org

Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/1882

Source: cve@mitre.org

http://www.securityfocus.com/archive/1/9723

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/1882

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.