CVE-2011-4022 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in Cisco IPS by exhausting file handles through excessive authentication attempts.

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-2011-4022?

CVE-2011-4022 is a medium-severity denial of service vulnerability in n/a, published on 3 May 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The sensor in Cisco Intrusion Prevention System (IPS) 7.0 and 7.1 allows remote attackers to cause a denial of service (file-handle exhaustion and mainApp hang) by making authentication attempts that exceed the configured limit, aka Bug ID CSCto51204.

Weakness: CWE-287

Which versions are affected by CVE-2011-4022?

It affects 1 product.

Products include Cisco Intrusion Prevention System.

How do I fix CVE-2011-4022?

No fix has been published for CVE-2011-4022 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-2011-4022 being exploited?

There is no known exploitation of CVE-2011-4022 in the wild and no public exploit code.

Sources

Also known as GHSA-q6pw-prgw-qpmh.

Is CVE-2011-4022 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free