CVE-2015-4317 Denial of service in n/a

Medium 5.0 Published 20 Aug 2015 Updated 6 Aug 2024

Remote attackers can cause a denial of service on Cisco VCS Expressway by sending invalid variables in authentication packets.

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-2015-4317?

CVE-2015-4317 is a medium-severity denial of service vulnerability in n/a, published on 20 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 allows remote attackers to cause a denial of service via invalid variables in an authentication packet, aka Bug ID CSCuv40469.

Weakness: CWE-399

Which versions are affected by CVE-2015-4317?

It affects 1 product.

Products include Cisco Telepresence Video Communication Server Software.

How do I fix CVE-2015-4317?

No fix has been published for CVE-2015-4317 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-2015-4317 being exploited?

There is no known exploitation of CVE-2015-4317 in the wild and no public exploit code.

Sources

Also known as GHSA-xwvc-pqcf-c28g.