CVE-2022-20844: Cisco SD-WAN

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability in authentication mechanism of Cisco Software-Defined Application Visibility and Control (SD-AVC) on Cisco vManage could allow an unauthenticated, remote attacker to access the GUI of Cisco SD-AVC using a default static username and password combination. This vulnerability exists because the GUI is accessible on self-managed cloud installations or local server installations of Cisco vManage. An attacker could exploit this vulnerability by accessing the exposed GUI of Cisco SD-AVC. A successful exploit could allow the attacker to view managed device names, SD-AVC logs, and SD-AVC DNS server IP addresses.

Affected products

• Cisco SD-WAN: from 20.4.1, before 20.6.3 (fixed in 20.6.3); version 20.3.4.1 only; version 20.3.4.2 only; version 20.3.5 only; version 20.7.1 only

Published 2022-09-30. Last modified 2026-06-17.