Actively exploited in the wild
Oracle Fusion Middleware Unspecified Vulnerability
Oracle - Fusion Middleware · Listed in the CISA KEV since 2023-11-16. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2020-2551
CriticalCVSS 9.8KEVSummary
Vulnerability in Oracle WebLogic Server (component: WLS Core Components) allows an unauthenticated attacker with network access via IIOP to compromise the server. Affected versions are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0. CVSS 3.0 Base Score 9.8.
Risk Assessment
Critical risk of takeover of Oracle WebLogic Server by an unauthenticated attacker, potentially leading to full compromise of confidentiality, integrity, and availability.
Recommendation
Immediately update Oracle WebLogic Server to the latest patched version and restrict network access to the IIOP port.
Other vulnerabilities in Oracle WebLogic Server
See all- CVE-2017-10147High
A vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware allows an unauthenticated attacker with network access via T3 to compromise the server. Attacks may lead to hanging or frequent crashes of the server, resulting in a complete denial of service (DoS).
- CVE-2016-3505High
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6.0, 12.1.3.0, and 12.2.1.0 allows remote authenticated users to affect confidentiality, integrity, and availability via vectors related to JavaServer Faces.
- CVE-2016-0577High
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and availability.
- CVE-2016-0574High
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and availability.
- CVE-2016-0573High
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to WLS Java Messaging Service.
- CVE-2016-0572High
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Coherence Container.
- CVE-2014-2470High
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.0.2.0, 10.3.6.0, 12.1.1.0, and 12.1.2.0 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to WLS Security.
- CVE-2026-83038Critical
Vulnerability in Oracle WebLogic Server (TopLink Integration component) of Oracle Fusion Middleware. Affects versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. A low privileged attacker with network access via HTTP can easily compromise Oracle WebLogic Server.
- CVE-2026-83021Critical
Vulnerability in Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Affects versions 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable, allows unauthenticated attacker via HTTP to take over the server, with impact on other products (scope change). CVSS 10.0.
- CVE-2026-70757Critical
Vulnerability in Oracle WebLogic Server (Core component) affecting versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. An unauthenticated attacker with network access via T3 or IIOP can compromise the server.
Original NVD description (English source)
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).