CVE

CVE-2021-2135

9.8

CVSScritical

Exploitable remotely over the internet · no authentication required.

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Coherence Container). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector

Network

Privileges Req.

None

User Interaction

None

weblogic server

Updated Nov 10, 2026View on NVD →

S4E scanner

criticalProduct Based Web Vulnerabilities~10 seconds

Oracle WebLogic Server - Remote Code Execution

Oracle WebLogic Server (12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0) contains a remote code execution caused by unauthenticated access via T3, IIOP, letting attackers take over the server, exploit requires network access. References: https://www.oracle.com/security-alerts/cpuapr2021.html https://x-f1v3.github.io/blog/1626153074926.html Remediation: Update to the latest patched version of Oracle WebLogic Server.

Used 20 times · 10 assets checked · domain, subdomain, ipv4

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CVE history: weblogic server

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