CVE-2020-2883criticalunder attack

CVE-2020-2883: critical vulnerability in Oracle Corporation WebLogic Server

Published · Updated

100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 9.8epss 95%
from disclosure to weapon0 days
Published on NVDApr 15
1st PoCJan 15
metasploit+15d
CISA KEV+1728d
exploitation probability
95%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
16 public exploit(s)
Action required by CISAfederal deadline: 2025-01-28

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

In short

Oracle WebLogic Server contains a critical flaw that allows attackers on the network to gain complete control of the system without needing a password or user account. This vulnerability affects core functionality and puts sensitive data and business operations at severe risk.

Technical detail

Unauthenticated remote code execution vulnerability in Oracle WebLogic Server (versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0) exploitable via IIOP and T3 protocols with no authentication required. Successful exploitation results in complete compromise of confidentiality, integrity, and availability (CVSS 9.8).

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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, T3 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).
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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