CVE-2013-3463 Denial of service in n/a

Medium 4.3 Published 30 Aug 2013 Updated 6 Aug 2024

Remote attackers can cause denial of service on Cisco ASA devices by exhausting the connection table via crafted requests using inspected protocols.

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-2013-3463?

CVE-2013-3463 is a medium-severity denial of service vulnerability in Cisco Adaptive Security Appliance, published on 30 Aug 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The protocol-inspection feature on Cisco Adaptive Security Appliances (ASA) devices does not properly implement the idle timeout, which allows remote attackers to cause a denial of service (connection-table exhaustion) via crafted requests that use an inspected protocol, aka Bug ID CSCuh13899.

Weakness: CWE-264

Which versions are affected by CVE-2013-3463?

It affects 2 products.

Products include Cisco Adaptive Security Appliance, Cisco Adaptive Security Appliance Software.

How do I fix CVE-2013-3463?

No fix has been published for CVE-2013-3463 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-2013-3463 being exploited?

There is no known exploitation of CVE-2013-3463 in the wild and no public exploit code.

All Cisco Adaptive Security Appliance vulnerabilities

Sources

Also known as GHSA-5f5m-7p6h-2wm4.