CVE-2016-1440 Denial of service in n/a
Remote attackers can cause CPU exhaustion and denial of service on Cisco WSA devices by improperly terminating FTP control connections.
- 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-2016-1440?
CVE-2016-1440 is a medium-severity denial of service vulnerability in Cisco Web Security Appliance, published on 2 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The proxy process on Cisco Web Security Appliance (WSA) devices through 9.1.0-070 allows remote attackers to cause a denial of service (CPU consumption) by establishing an FTP session and then improperly terminating the control connection after a file transfer, aka Bug ID CSCuy43468.
Weakness: CWE-399
Which versions are affected by CVE-2016-1440?
It affects 1 product.
Products include Cisco Web Security Appliance.
How do I fix CVE-2016-1440?
No fix has been published for CVE-2016-1440 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-2016-1440 being exploited?
There is no known exploitation of CVE-2016-1440 in the wild and no public exploit code.
Other vulnerabilities in Cisco Web Security Appliance
Sources
Also known as GHSA-cvp2-329m-h3w4.