CVE-2022-20692: Cisco IOS XE

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability in the NETCONF over SSH feature of Cisco IOS XE Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to insufficient resource management. An attacker could exploit this vulnerability by initiating a large number of NETCONF over SSH connections. A successful exploit could allow the attacker to exhaust resources, causing the device to reload and resulting in a DoS condition on an affected device.

Affected products

• Cisco IOS XE: version 3.15.1xbs only; version 3.15.2xbs only; version 16.3.1 only; version 16.3.1a only; version 16.3.2 only; version 16.3.3 only; …

Published 2022-04-15. Last modified 2026-06-17.