CVE-2020-3559
8.6 · HIGHOverview
CVE-2020-3559 is a high-severity vulnerability affecting cisco wireless_lan_controller. It was published on September 24, 2020 and has a CVSS 3.1 base score of 8.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in Cisco Aironet Access Point (AP) Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending authentication requests from multiple clients to an affected device. A successful exploit could allow the attacker to cause the affected device to reload.
Remediation
Check the references section for vendor advisories and patches from cisco. Update wireless_lan_controller 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 |
|---|---|---|---|
| cisco | wireless_lan_controller | >= 8.9, < 8.10.112.0 | Affected |
Frequently Asked Questions
What is CVE-2020-3559?
CVE-2020-3559 is a high-severity vulnerability affecting cisco wireless_lan_controller. It was published on September 24, 2020 and has a CVSS 3.1 base score of 8.6 (HIGH).
How severe is CVE-2020-3559?
This vulnerability has a CVSS 3.1 base score of 8.6, 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-2020-3559?
Check the references section for vendor advisories and patches from cisco. Update wireless_lan_controller 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-2020-3559?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-3559 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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