CVE-2020-3262: Cisco Wireless LAN Controller CAPWAP Denial of Service Vulnerability
First published: Wed Apr 15 2020(Updated: )
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol handler of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of CAPWAP packets. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to restart, resulting in a DoS condition.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco 5508 Wireless Controller Firmware | =8.8\(120.0\) | |
| Cisco 5508 Wireless Controller | ||
| Cisco 5520 Wireless Controller Firmware | =8.8\(120.0\) | |
| Cisco 5520 Wireless Controller |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco Wireless LAN Controller (WLC) Software vulnerability?
The vulnerability ID for this Cisco Wireless LAN Controller (WLC) Software vulnerability is CVE-2020-3262.
What is the severity of CVE-2020-3262?
The severity of CVE-2020-3262 is high with a CVSS score of 7.5.
What is the impact of this vulnerability?
This vulnerability could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
Which software versions are affected by CVE-2020-3262?
Cisco 5508 Wireless Controller Firmware version 8.8(120.0) and Cisco 5520 Wireless Controller Firmware version 8.8(120.0) are affected.
How can I mitigate this vulnerability?
Cisco has released updates to address this vulnerability. Please refer to the Cisco Security Advisory for more information.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/weakness
- agent/author
- agent/severity
- agent/references
- agent/last-modified-date
- agent/tags
- agent/first-publish-date
- agent/event
- agent/description
- vendor/cisco
- canonical/cisco 5508 wireless controller firmware
- version/cisco 5508 wireless controller firmware/8.8\(120.0\)
- canonical/cisco 5508 wireless controller
- canonical/cisco 5520 wireless controller firmware
- version/cisco 5520 wireless controller firmware/8.8\(120.0\)
- canonical/cisco 5520 wireless controller