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CVE-2020-3262

7.5 · HIGH
Published Apr 15, 2020 cisco CWE-20 EPSS 1.47% (72th pctl)

Overview

CVE-2020-3262 is a high-severity vulnerability affecting cisco 5508_wireless_controller_firmware. It was published on April 15, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from cisco. Update 5508_wireless_controller_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2020-3262?

CVE-2020-3262 is a high-severity vulnerability affecting cisco 5508_wireless_controller_firmware. It was published on April 15, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-3262?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-3262?

Check the references section for vendor advisories and patches from cisco. Update 5508_wireless_controller_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-3262?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-3262 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.