ACTIVELY EXPLOITED
CVE-2023-21839: Oracle WebLogic Server Unspecified Vulnerability
| Vendor | Oracle |
|---|---|
| Product | WebLogic Server |
| Actively exploited | Yes |
| Added to CISA KEV | 1 May 2023 |
| CISA federal deadline | 22 May 2023 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.
SOURCES
Other Oracle flaws
- CVE-2026-21962: Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability
- CVE-2026-46817: Oracle E-Business Suite Improper Privilege Management Vulnerability
- CVE-2026-35273: Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability
- CVE-2024-21182: Oracle WebLogic Server Unspecified Vulnerability
- CVE-2025-61757: Oracle Fusion Middleware Missing Authentication for Critical Function Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.