Oracle EBS Exploited in Clop Ransomware Extortion Campaign (2025)
In September 2025, Oracle confirmed that customers running E-Business Suite (EBS) were targeted by extortion emails attributed to the Clop ransomware gang, following exploitation of security vulnerabilities addressed in the July 2025 Critical Patch Update. Multiple executives at affected companies received emails demanding ransom, with Clop claiming to have exfiltrated confidential data from unpatched Oracle EBS instances. While Oracle has not formally verified the data theft, the vulnerabilities—three of which were remotely exploitable without authentication—enabled attackers to potentially access sensitive business documents and threaten public disclosure if ransoms were not paid. This incident highlights a continued and escalating trend of ransomware groups leveraging zero-day and freshly patched vulnerabilities to target critical enterprise software. Organizations dependent on ERP and business process applications are increasingly at risk, underscoring the urgent need for rapid patching and advanced network-layer security controls.
Kill Chain