Vulnerability · Published Apr 15, 2020 · Assigned by cisco

CVE-2020-3262Cisco Wireless LAN Controller CAPWAP Denial of Service Vulnerability

High 8.6

In plain English

A high-severity improper input validation in Cisco Aironet Access Point Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.0)8.6High

Exploit odds (30 days)1.5%top 26.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Aironet Access Point Software	n/a

Weakness: CWE-20 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

20200415 Cisco Wireless LAN Controller CAPWAP Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO