CVE-2002-1102 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service on Cisco VPN Concentrators by disrupting existing LAN-to-LAN security associations.

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-2002-1102?

CVE-2002-1102 is a medium-severity denial of service vulnerability in n/a, published on 1 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The LAN-to-LAN IPSEC capability for Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.4, allows remote attackers to cause a denial of service via an incoming LAN-to-LAN connection with an existing security association with another device on the remote network, which causes the concentrator to remove the previous connection.

Which versions are affected by CVE-2002-1102?

It affects 2 products.

Products include Cisco Vpn 3000 Concentrator Series Software, Cisco Vpn 3002 Hardware Client.

How do I fix CVE-2002-1102?

No fix has been published for CVE-2002-1102 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2002-1102 being exploited?

There is no known exploitation of CVE-2002-1102 in the wild and no public exploit code.

Sources

Also known as GHSA-jx9w-xvcr-227r.

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