Remote code execution in widely used Apache Struts web framework (method:prefix) impacts many web apps; listed in CISA KEV and can cause broad compromise/newsworthy impact.
CVE-2016-3081
RCE in Apache Struts via Dynamic Method Invocation (method:prefix).
Is CVE-2016-3081 being exploited?
Yes. CVE-2016-3081 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2016-3081?
CVE-2016-3081 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2016-3081?
Yes. A fix has been recorded for CVE-2016-3081. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2016-3081 affect?
CVE-2016-3081 affects Apache Struts 2.0.0–2.3.28 (notably 2.3.19–2.3.28 variants), Third-party applications embedding vulnerable Struts libraries, Oracle Siebel e-billing 7.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2016-3081?
Apply Apache Struts security updates or disable Dynamic Method Invocation immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote command injection enabling arbitrary code execution, full server compromise, data theft and lateral movement.
Immediate action required