Oracle E-Business Suite Zero-Day (CVE-2025-61882) - Post-Incident Technical Brief
In late 2025, a critical pre-authentication remote-code-execution vulnerability (tracked as CVE-2025-61882) in Oracle E-Business Suite (EBS)— specifically the Concurrent Processing / BI-Publisher integration — was exploited in a large-scale extortion/data-theft campaign attributed to the Cl0p/Clop extortion cluster. Attackers abused the flaw to run attacker-controlled XSLT/Java payloads, gain remote code execution on EBS application servers, and exfiltrate sensitive data for extortion.