# CVE-2020-2883

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).

- Page: https://www.vulneraibility.com/cve/CVE-2020-2883
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2025-01-07; CISA due date 2025-01-28
- EPSS: 94.58%
- Public exploit code: 1 Metasploit module · 7 GitHub proofs of concept · 1 Nuclei template (first 2020-05-10)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-01-11)
- Published: 2020-04-15

## Affected versions

- Oracle Corporation WebLogic Server: affected 10.3.6.0.0; 12.1.3.0.0; 12.2.1.3.0; 12.2.1.4.0

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://www.oracle.com/security-alerts/cpuapr2020.html
- [other] https://www.zerodayinitiative.com/advisories/ZDI-20-504/
- [other] https://www.zerodayinitiative.com/advisories/ZDI-20-570/
- [other] http://packetstormsecurity.com/files/157950/WebLogic-Server-Deserialization-Remote-Code-Execution.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2883

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.