CVE-2016-6416 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco Email, Web, and Content Security Appliances by flooding the FTP service with traffic.
- 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-2016-6416?
CVE-2016-6416 is a medium-severity denial of service vulnerability in Cisco Email Security Appliance, published on 5 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FTP service in Cisco AsyncOS on Email Security Appliance (ESA) devices 9.6.0-000 through 9.9.6-026, Web Security Appliance (WSA) devices 9.0.0-162 through 9.5.0-444, and Content Security Management Appliance (SMA) devices allows remote attackers to cause a denial of service via a flood of FTP traffic, aka Bug IDs CSCuz82907, CSCuz84330, and CSCuz86065.
Weakness: CWE-119
Which versions are affected by CVE-2016-6416?
It affects 3 products.
Products include Cisco Content Security Management Appliance, Cisco Email Security Appliance, Cisco Web Security Appliance.
How do I fix CVE-2016-6416?
No fix has been published for CVE-2016-6416 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-2016-6416 being exploited?
There is no known exploitation of CVE-2016-6416 in the wild and no public exploit code.
Other vulnerabilities in Cisco Email Security Appliance
Sources
Also known as GHSA-7cpm-6ch9-5qff.