Multiple vulnerabilities in the smart tunnel functionality of Cisco Adaptive Security Appliance (ASA) could allow an authenticated, local attacker to elevate privileges to the root user or load a malicious library file while the tunnel is being established. For more information about these vulnerabilities, see the Details section of this security advisory.
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-asa-multi