CVE-2013-6011 Denial of service in n/a

What is CVE-2013-6011?

CVE-2013-6011 is a high-severity denial of service vulnerability in n/a, published on 4 Oct 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Citrix NetScaler Application Delivery Controller (ADC) 10.0 before 10.0-76.7 allows remote attackers to cause a denial of service (nsconfigd crash and appliance reboot) via a crafted request.

Weakness: CWE-20

Which versions are affected by CVE-2013-6011?

It affects 2 products.

Products include Citrix NetScaler ADC, Citrix Netscaler Application Delivery Controller Firmware.

How do I fix CVE-2013-6011?

No fix has been published for CVE-2013-6011 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-2013-6011 being exploited?

There is no known exploitation of CVE-2013-6011 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-3519 Citrix NetScaler ADC and NetScaler Gateway Code Injection Exploited Critical 9.8
• CVE-2026-88771 Citrix NetScaler Improper Input Validation Exploited Critical 9.5
• CVE-2026-88772 Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Exploited Critical 9.5
• CVE-2023-4966 Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Exploited Critical 9.4
• CVE-2026-19490 Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Exploited Critical 9.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r684-2vx5-8472.