CVE-2020-3260 Cisco Aironet Series Access Points Client Packet Processing Denial of Service Vulnerability
An unauthenticated adjacent attacker can crash Cisco Aironet Access Points by sending sustained client packets, causing a denial of service.
- 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-2020-3260?
CVE-2020-3260 is a high-severity denial of service vulnerability in Cisco Aironet Access Point Software, published on 15 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Cisco Aironet Series Access Points Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the improper processing of client packets that are sent to an affected access point (AP). An attacker could exploit this vulnerability by sending a large number of sustained client packets to the affected AP. A successful exploit could allow the attacker to cause the affected AP to crash, resulting in a DoS condition.
Which versions are affected by CVE-2020-3260?
It affects 6 products.
Products include Cisco Aironet 1542d Firmware, Cisco Aironet 1542i Firmware, Cisco Aironet 1815 Firmware, Cisco Aironet 1830 Firmware, Cisco Aironet 1840 Firmware, Cisco Aironet 1850 Firmware.
How do I fix CVE-2020-3260?
No fix has been published for CVE-2020-3260 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-2020-3260 being exploited?
There is no known exploitation of CVE-2020-3260 in the wild and no public exploit code.
Other vulnerabilities in Cisco Aironet Access Point Software
Sources
Also known as GHSA-mqfc-mw2x-x89c.