CVE-2014-3389 Auth bypass in n/a

Critical 9.0 Published 10 Oct 2014 Updated 6 Aug 2024

Remote authenticated users can bypass tunnel filters to access failover units in Cisco ASA VPN implementations.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2014-3389?

CVE-2014-3389 is a critical authentication bypass vulnerability in n/a, published on 10 Oct 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The VPN implementation in Cisco ASA Software 7.2 before 7.2(5.15), 8.2 before 8.2(5.51), 8.3 before 8.3(2.42), 8.4 before 8.4(7.23), 8.6 before 8.6(1.15), 9.0 before 9.0(4.24), 9.1 before 9.1(5.12), 9.2 before 9.2(2.6), and 9.3 before 9.3(1.1) does not properly implement a tunnel filter, which allows remote authenticated users to obtain failover-unit access via crafted packets, aka Bug ID CSCuq28582.

Which versions are affected by CVE-2014-3389?

It affects 1 product.

Products include Cisco Asa.

How do I fix CVE-2014-3389?

No fix has been published for CVE-2014-3389 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2014-3389 being exploited?

There is no known exploitation of CVE-2014-3389 in the wild and no public exploit code.

Sources

Also known as GHSA-c85q-3jc8-pgfg.