CVE-2015-6391 Denial of service in n/a
Remote attackers can cause denial of service on Cisco Unified SIP 3905 phones by sending excessive network traffic, leading to resource exhaustion.
- 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-2015-6391?
CVE-2015-6391 is a high-severity denial of service vulnerability in n/a, published on 5 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco Unified SIP 3905 phones allow remote attackers to cause a denial of service (resource consumption and functionality loss) via a large amount of network traffic, aka Bug ID CSCuh51331.
Weakness: CWE-399
Which versions are affected by CVE-2015-6391?
It affects 1 product.
Products include Cisco Unified Sip Phone 3900 Firmware.
How do I fix CVE-2015-6391?
No fix has been published for CVE-2015-6391 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-2015-6391 being exploited?
There is no known exploitation of CVE-2015-6391 in the wild and no public exploit code.
Sources
Also known as GHSA-wwmc-wc4p-qv47.