CVE-2015-6377 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service in Cisco VTS by flooding crafted TCP packets, leading to resource exhaustion and port outages.

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-2015-6377?

CVE-2015-6377 is a high-severity denial of service vulnerability in n/a, published on 24 Nov 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Virtual Topology System (VTS) 2.0(0) and 2.0(1) allows remote attackers to cause a denial of service (CPU and memory consumption, and TCP port outage) via a flood of crafted TCP packets, aka Bug ID CSCux13379.

Weakness: CWE-399

Which versions are affected by CVE-2015-6377?

It affects 1 product.

Products include Cisco Virtual Topology System.

How do I fix CVE-2015-6377?

No fix has been published for CVE-2015-6377 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-2015-6377 being exploited?

There is no known exploitation of CVE-2015-6377 in the wild and no public exploit code.

Sources

Also known as GHSA-f84m-wg53-4c32.

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