CVE-1999-1150 Other in n/a

High 7.5 Published Updated

Remote attackers can hijack TCP sessions on Livingston Portmaster routers due to predictable initial sequence numbers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-1999-1150?

CVE-1999-1150 is a high-severity vulnerability in n/a, published on 12 Sep 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-1999-1150?

It affects 1 product.

Products include Livingston Portmaster Portmaster.

How do I fix CVE-1999-1150?

No fix has been published for CVE-1999-1150 yet. Limit exposure of the affected software until one is available.

Is CVE-1999-1150 being exploited?

There is no known exploitation of CVE-1999-1150 in the wild and no public exploit code.

Sources

Also known as GHSA-vxxg-9388-x757.

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