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CVE-2023-21839

Published: Jan 17, 2023Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-502
7.5HIGH
NVD MITRE
EPSS Score
99.8%
Top 0.0%
CISA KEV
Active Exploitation
Since May 1, 2023
Exploits
1 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

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).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-502CWE-306

Affected Products

Oracle Corporation
commercial·USaka oracle, Oracle Corp.
WebLogic ServerOn-premDatabase
Databases / cache-message-queue
and 2 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:May 1, 2023
Remediation due:May 22, 2023

Required action: Apply updates per vendor instructions.

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

4 techniques
Execution
Initial Access
View detailed technique mapping

References

http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html
packetstormsecurity.com
https://www.oracle.com/security-alerts/cpujan2023.html
oracle.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839
cisa.gov
and 1 more references View all →

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