CVE-2016-20050 NetSchedScan 1.0 Buffer Overflow Denial of Service

Medium 6.9 Published Updated

Local attackers can crash NetSchedScan by inputting oversized data into the Hostname/IP field, causing a buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-20050?

CVE-2016-20050 is a medium-severity memory corruption vulnerability in Foundstone NetSchedScan, published on 4 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NetSchedScan 1.0 contains a buffer overflow vulnerability in the scan Hostname/IP field that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a crafted payload containing 388 bytes of data followed by 4 bytes of EIP overwrite into the Hostname/IP field to trigger a denial of service condition.

Weakness: CWE-787

Which versions are affected by CVE-2016-20050?

It affects 1 product.

Products include Mcafee Netschedscan.

How do I fix CVE-2016-20050?

No fix has been published for CVE-2016-20050 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-20050 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20050 exists.

Sources

Also known as GHSA-3c69-45qx-vjjh.

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