Critical severity9.8CISA KEVNVD Advisory· Published Apr 15, 2020· Updated Jun 17, 2026
CVE-2020-2883
CVE-2020-2883
Description
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
- (no CPE)range: 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0
- (no CPE)range: 10.3.6.0.0
- Range: 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0
Patches
Vulnerability mechanics
References
5- packetstormsecurity.com/files/157950/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlnvdThird Party AdvisoryVDB Entry
- www.oracle.com/security-alerts/cpuapr2020.htmlnvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-20-504/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-20-570/nvdThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
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