VULNERABILITY INTELLIGENCE

CVE-2023-21839

CVSS score7.5 HIGH

EPSS probability99.90%

CISA KEVKnown exploited vulnerability

Published2023-01-18

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Known Exploited Vulnerability

Oracle WebLogic Server Unspecified Vulnerability

Vendor / product: Oracle / WebLogic Server

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).

Weakness classification

nvd@nist.gov: CWE-502
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-306

Primary references

secalert_us@oracle.com — Exploit, Third Party Advisory, VDB Entry
secalert_us@oracle.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource