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The T3 and IIOP protocols in Oracle WebLogic Server have been the source of 15+ critical vulnerabilities over the past decade. This guide covers the configuration controls that isolate T3/IIOP from untrusted networks — the single most effective defence regardless of which WebLogic CVE is currently being exploited.
CVE-2024-21182 was patched in January 2024. It reached the CISA KEV in June 2026. The 18-month gap is not unique to this CVE — it reflects how enterprise Java middleware is patched in practice, which is to say: slowly, incompletely, and often only under direct pressure.
CipherWatch Editorial
Security Intelligence Platform