CVE-2021-2135: Critical severity oracle weblogic server vulnerability

Published Apr 22, 2021

Updated

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).

Affected Software

3 affected components

ORACLE WebLogic Server=12.2.1.3.0

ORACLE WebLogic Server=12.2.1.4.0

ORACLE WebLogic Server=14.1.1.0.0

Remediation

Patch Available

https://www.oracle.com/security-alerts/cpuapr2021.html

Event History

Apr 22, 2021

CVE Published

via MITRE·09:53 PM

Data Sourced

via MITRE·09:53 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2021-2135?

CVE-2021-2135 has a critical severity rating due to its ease of exploitation by unauthenticated attackers.

How do I fix CVE-2021-2135?

To fix CVE-2021-2135, users should update their Oracle WebLogic Server to the latest patched versions provided by Oracle.

Which versions of Oracle WebLogic Server are affected by CVE-2021-2135?

CVE-2021-2135 affects Oracle WebLogic Server versions 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0.

Can an attacker exploit CVE-2021-2135 remotely?

Yes, an attacker can exploit CVE-2021-2135 remotely with network access via T3 or IIOP protocols.

Is authentication required to exploit CVE-2021-2135?

No, CVE-2021-2135 can be exploited by unauthenticated attackers.