CVE-2020-2551

CriticalActively exploited (CISA KEV)

Description

Vulnerability 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, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. 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).

SeverityCritical

CVSS9.8

Exploit probability—

Product

Oracle Fusion Middleware

PublishedJan 15, 2020

First seenJan 15, 2020

Added to KEVNov 16, 2023

How to fix

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date: Dec 7, 2023

Affected products

Product	Affected versions	Fixed in
oracle weblogic_server	10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0	—

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