CVE-2009-0623 Denial of service in n/a

High 7.8 Published 26 Feb 2009 Updated 16 Sep 2024

Remote attackers can cause a denial of service via crafted SSH packets, requiring administrators to upgrade Cisco ACE modules.

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-2009-0623?

CVE-2009-0623 is a high-severity denial of service vulnerability in n/a, published on 26 Feb 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.3) and Cisco ACE 4710 Application Control Engine Appliance before A3(2.1) allows remote attackers to cause a denial of service (device reload) via a crafted SSH packet.

Which versions are affected by CVE-2009-0623?

It affects 2 products.

Products include Cisco Ace 4710, Cisco Application Control Engine Module.

How do I fix CVE-2009-0623?

No fix has been published for CVE-2009-0623 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-2009-0623 being exploited?

There is no known exploitation of CVE-2009-0623 in the wild and no public exploit code.

Sources

Also known as GHSA-ff6f-5595-v5f4.