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CVE-2023-21964 Oracle WebLogic Server

Affected softwareOracle WebLogic Server
Affected versions12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
Severity7.5 High CVSS 3.1
Fixed inOracle Critical Patch Update April 2023
WeaknessUncontrolled resource consumption (CWE-400)
Published18 Apr 2023
Updated17 Jun 2026

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 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 3 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.84% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

This is a proprietary Oracle product. Oracle's security advisory is the source of public detail for this CVE.

  • Protection none
  • Action not pursued
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to No source fix or exploit.

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update April 2023 ↗ CPU 2023-Q2 Oracle Fusion Middleware / Core (12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Fusion Middleware Core 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0 12.2.1.3.0 · 12.2.1.4.0 · 14.1.1.0.0

Products and versions

1 product, 3 version entries
SourceVendorProductSchemeAffected versions
nvd oracle weblogic server generic 12.2.1.3.0 · 12.2.1.4.0 · 14.1.1.0.0

References

URLTags
https://www.oracle.com/security-alerts/cpuapr2023.html Vendor Advisory

Timeline

Published2023-04-18By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.