SERVER-OTHER -- Snort has detected traffic exploiting vulnerabilities in a server in the network.
SERVER-OTHER Oracle WebLogic Server IIOP remote code execution attempt
This rule looks the invocation of a now-blacklisted class in an IIOP bind request sent to the Oracle WebLogic Server. An attacker can craft an IIOP packet to trigger an insecure deserialization and arbitrary code execution.
What To Look For
This rule fires on attempts to exploit a remote code execution vulnerability in Oracle WebLogic.
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
Technique: Exploitation for Client Execution
For reference, see the MITRE ATT&CK vulnerability types here:
CVE Additional Information
CVE-2020-2551Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 184.108.40.206.0, 220.127.116.11.0 and 18.104.22.168.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
||Ease of Access||LOW