Input validation error in Cisco Wireless LAN Controller - CVE-2020-3262
Published: April 16, 2020
Vulnerability identifier: #VU26974
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3262
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol handler. A remote attacker can send a malformed CAPWAP packet to the application and perform a denial of service (DoS) attack.
Affected software
Cisco Wireless LAN Controller
How to mitigate CVE-2020-3262
Install updates from vendor's website.
Cisco Wireless LAN Controller - addressed in versions 8.5.160.0, 8.8.130.0, 8.10.121.0