Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H N N 7.5 .9990 100.0 YES
AFFECTED Product Versions Fixed WebLogic Server 12.2.1.3.0 – —
TIMELINE Dec 17 Reserved by oracle Jan 17 Published (CNA: oracle) May 1 Added to CISA KEV, remediation due 2023-05-22
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).
| Date | Event | Detail |
|---|---|---|
| December 17, 2022 | Reserved | Reserved by oracle |
| January 17, 2023 | Published | Published (CNA: oracle) |
| May 1, 2023 | KEV ADDED | Added to CISA KEV, remediation due 2023-05-22 |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Oracle Corporation | WebLogic Server | — | 12.2.1.3.0 | — |
Authoritative record: CVE-2023-21839 at cve.org
Vendors: oracle
Weaknesses: CWE-306
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-21839 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
