CVE-2016-9202: A vulnerability in the web-based management interface of Cisco Email Security Appliance (ESA) Switches coul...

Security readout for executives and security teams

CVE-2016-9202 is a persistent cross-site scripting flaw in the Cisco Email Security Appliance web management interface. A remote unauthenticated attacker could place malicious content that later runs in the browser of someone using the affected management UI. The main business risk is compromise of administrator trust and actions inside a security gateway console. Exposure is most likely where Cisco Email Security Appliance versions 9.1.1-036 or 9.7.1-066 are deployed and the web management interface is reachable by users or networks beyond tightly controlled administration paths. Treat this as a targeted administration-plane risk, not a broad internet worm scenario based on the provided evidence. Prioritize exposed or outdated ESA management interfaces because the appliance protects email security operations and administrator sessions are high-value. Mitigation focus: Identify all Cisco ESA deployments and running software versions.; Review Cisco advisory cisco-sa-20161207-esa1 for fixed releases and supported remediation.; Apply vendor-supported updates or configuration guidance from Cisco..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

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