CVE-2016-9220 Denial of service in Cisco Mobility Express 2800 and 3800
An unauthenticated adjacent attacker can cause a denial of service by filling the connection table with invalid entries in Cisco Mobility Express Access Points.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-9220?
CVE-2016-9220 is a medium-severity denial of service vulnerability in Cisco Mobility Express 2800 and 3800, published on 26 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A Denial of Service Vulnerability in 802.11 ingress packet processing of the Cisco Mobility Express 2800 and 3800 Access Points (APs) could allow an unauthenticated, adjacent attacker to cause the connection table to be full of invalid connections and be unable to process new incoming requests. More Information: CSCvb66659. Known Affected Releases: 8.2(130.0). Known Fixed Releases: 8.2(131.10) 8.2(131.6) 8.2(141.0) 8.3(104.56) 8.4(1.88) 8.4(1.91).
Weakness: CWE-399
Which versions are affected by CVE-2016-9220?
It affects 1 product.
Products include Cisco Aironet Access Point Software.
How do I fix CVE-2016-9220?
No fix has been published for CVE-2016-9220 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-2016-9220 being exploited?
There is no known exploitation of CVE-2016-9220 in the wild and no public exploit code.
Other vulnerabilities in Cisco Mobility Express 2800 and 3800
- CVE-2017-3831 Auth bypass in Cisco Mobility Express 1800 Access Point Series
- CVE-2022-20622 Cisco Embedded Wireless Controller with Catalyst Access Points IP Flood Denial of Service Vulnerability
- CVE-2018-0234 Denial of service in Cisco Aironet 1810, 1830, and 1850 Series Access Points
- CVE-2016-1419 Denial of service in n/a
- CVE-2016-6362 Privilege escalation in n/a
Sources
Also known as GHSA-c86h-r59x-c7j5.