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**Name of the Vulnerable Software and Affected Versions** Oracle WebLogic Server versions 10.3.6.0.0 through 14.1.1.0.0 **Description** The issue is related to insufficient input validation in the Core component of Oracle WebLogic Server, allowing an unauthenticated attacker with network access via IIOP, T3 to compromise the server. Successful attacks can result in the takeover of Oracle WebLogic Server, impacting confidentiality, integrity, and availability. **Recommendations** For versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

**Name of the Vulnerable Software and Affected Versions** Oracle WebLogic Server versions 10.3.6.0.0 through 12.2.1.4.0 **Description** The issue is related to the Core component of Oracle WebLogic Server and is caused by inadequate access control. It allows an unauthenticated attacker with network access via IIOP, T3 protocols to compromise the server. Successful attacks can result in the takeover of Oracle WebLogic Server. The vulnerability is easily exploitable and has been exploited in the wild. It is estimated that over 300 vulnerable servers could be exploited, leading to severe security threats. **Recommendations** For versions 10.3.6.0.0 through 12.2.1.4.0, update to a version that includes the fix for this issue, as provided in Oracle's April 2020 Critical Patch Update. As a temporary workaround, consider restricting access to the T3 protocol to minimize the risk of exploitation. Additionally, disabling the deserialization of untrusted data in the T3 protocol can help mitigate the issue until a patch is applied.