CVE-2020-11462

Name of the Vulnerable Software and Affected Versions OpenVPN Access Server versions 2.7.0 and earlier OpenVPN Access Server versions 2.8.x through 2.8.2

Description An issue was discovered in OpenVPN Access Server. With the full featured RPC2 interface enabled, it is possible to achieve a temporary DoS state of the management interface when sending an XML Entity Expansion (XEE) payload to the XMLRPC based RPC2 interface. The duration of the DoS state depends on available memory and CPU speed.

Recommendations For OpenVPN Access Server versions 2.7.0 and earlier, update to version 2.7.0 or later. For OpenVPN Access Server versions 2.8.x through 2.8.2, update to version 2.8.3 or later. As a temporary workaround, consider disabling the full featured RPC2 interface until a patch is available.