CVE-2018-0242: A vulnerability in the WebVPN web-based management interface of Cisco Adaptive Security Appliance could all...

Security readout for executives and security teams

CVE-2018-0242 is a cross-site scripting flaw in Cisco ASA’s WebVPN web-based management interface. An attacker would need to convince an interface user to open a crafted link. If successful, the attacker could run script in that browser context or access sensitive browser-based information. Exposure is most likely on Cisco ASA deployments where the WebVPN web-based management interface is used and reachable by administrators or authorized users. Business risk depends on who can access that interface and what browser-based information is exposed during use. Treat this as a targeted management-plane browser risk, not a broad wormable outage scenario. Prioritize systems with externally reachable WebVPN management access or high-privilege administrators, and confirm Cisco’s remediation guidance before scheduling change work. Mitigation focus: Review Cisco advisory cisco-sa-20180418-asawvpn for affected releases and vendor guidance.; Prioritize remediation for ASA systems where WebVPN management users have privileged access.; Restrict management-interface access to trusted administrative paths where feasible..

Prepared

Jun 7, 2026, 13:40 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.