CVE-1999-1150

N/A Unknown
Published: June 30, 1998 Modified: April 16, 2026
View on 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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/archive/1/9723
Source: cve@mitre.org
Vendor Advisory
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

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.6%
70th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

livingston_portmaster