CVE-2013-6939 Denial of service in n/a

Medium 5.0 Published Updated

Attackers can cause a denial of service in Citrix NetScaler ADC via RADIUS authentication vectors, requiring an upgrade to mitigate.

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-2013-6939?

CVE-2013-6939 is a medium-severity denial of service vulnerability in n/a, published on 10 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in Citrix NetScaler Application Delivery Controller (ADC) 9.3.x before 9.3-64.4, 10.0 before 10.0-77.5, and 10.1 before 10.1-118.7 allows attackers to cause a denial of service via unknown vectors, related to "RADIUS authentication."

Which versions are affected by CVE-2013-6939?

It affects 1 product.

Products include Citrix Netscaler Application Delivery Controller Firmware.

How do I fix CVE-2013-6939?

No fix has been published for CVE-2013-6939 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-2013-6939 being exploited?

There is no known exploitation of CVE-2013-6939 in the wild and no public exploit code.

Sources

Also known as GHSA-g59r-3c59-5wqm.

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