What is CVE-2020-3559?

CVE-2020-3559 is a high-severity vulnerability in Cisco 1111-4pwe, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2020-09-24.

How severe is CVE-2020-3559?

High severity. CVSS v3 base score is 8.6 out of 10.

Resource exhaustion in Cisco 1111-4pwe

CVE-2020-3559

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.014 (70.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3559?: CVE-2020-3559 is a high-severity vulnerability in Cisco 1111-4pwe, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2020-09-24.
How severe is CVE-2020-3559?: High severity. CVSS v3 base score is 8.6 out of 10.