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[ CVE-2023-21839 · Published 18 Jan 2023 ]

Oracle WebLogic Server Unspecified Vulnerability

Exploited · CISA KEV CVSS 7.5 EPSS 100%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-05-01
  • EPSS: 100% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official 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).

CISA: Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 22 May 2023): Apply updates per vendor instructions.

[ References ]References