# CVE-2023-21839

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

- Page: https://www.vulneraibility.com/cve/CVE-2023-21839
- CVSS: 7.5
- Known exploited: yes, in CISA KEV since 2023-05-01; CISA due date 2023-05-22
- EPSS: 99.90% (percentile 100.0)
- Public exploit code: 1 Metasploit module · 8 GitHub proofs of concept · 1 Nuclei template (first 2023-02-21)
- CISA SSVC: exploitation active, automatable yes, technical impact partial (assessed 2024-09-17)
- Weakness: CWE-306
- Published: 2023-01-18

## Affected versions

- Oracle Corporation WebLogic Server: affected 12.2.1.3.0; 12.2.1.4.0; 14.1.1.0.0

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

## References

- [advisory] https://www.oracle.com/security-alerts/cpujan2023.html
- [other] http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839

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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.