CVE-2015-4277 Denial of service in n/a
Local users can cause a denial of service on Cisco ASR 9000 devices by exploiting improper vty session closure after commit operations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-4277?
CVE-2015-4277 is a medium-severity denial of service vulnerability in Cisco Nx-Os, published on 19 Aug 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The global-configuration implementation on Cisco ASR 9000 devices with software 5.1.3 and 5.3.0 improperly closes vty sessions after a commit/end operation, which allows local users to cause a denial of service (tmp/*config file creation, memory consumption, and device hang) via unspecified vectors, aka Bug ID CSCut93842.
Weakness: CWE-399
Which versions are affected by CVE-2015-4277?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2015-4277?
No fix has been published for CVE-2015-4277 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-2015-4277 being exploited?
There is no known exploitation of CVE-2015-4277 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-7w44-9v43-mqpr.