CVE-2023-21839 KEV
7.5
HIGH · CVSS 3.1 · EPSS 99.9% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-05-22.
Description
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).
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 99.9% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | yes — remediate by 2023-05-22 |
| Public exploit | none known |
| Published | 2023-01-18 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Oracle WebLogic Server Unspecified Vulnerability |
|---|---|
| Added | 2023-05-01 |
| Due | 2023-05-22 |
| Vendor / product | Oracle / WebLogic Server |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| oracle | weblogic server |
References
- http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html
- https://www.oracle.com/security-alerts/cpujan2023.html
- http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html
- https://www.oracle.com/security-alerts/cpujan2023.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839
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