CVE-2016-1382: Cisco AsyncOS before 8.5.3-069 and 8.6 through 8.8 on Web Security Appliance (WSA) devices mishandles memor...

Security readout for executives and security teams

This Cisco Web Security Appliance issue can let a remote attacker crash and reload the proxy process with a crafted HTTP request. The likely business impact is web proxy disruption, not data theft. Evidence provided does not show active exploitation or a public exploit. Organizations are exposed if they run Cisco WSA devices with the affected AsyncOS versions and accept HTTP proxy traffic from untrusted or broad user populations. Treat this as a service availability risk for internet access through Cisco WSA. It is not presented as data compromise, but outages on central proxy infrastructure can affect many users quickly. Mitigation focus: Identify all Cisco WSA appliances and their AsyncOS versions.; Upgrade affected systems according to Cisco advisory guidance.; Prioritize appliances supporting critical web access paths..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

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