CVE-2023-21837

HIGH

Oracle WebLogic Server <14.1.1.0.0 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-21837. PoCs published by hktalent.

AI-analyzed exploit summary This PoC checks for CVE-2023-21837 by sending a specific binary payload to a target host and port, then analyzing the response to determine vulnerability. The exploit appears to target a network service, likely related to 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 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).

Exploits (1)

nomisec WORKING POC 1 stars
by hktalent · poc
https://github.com/hktalent/CVE-2023-21837

This PoC checks for CVE-2023-21837 by sending a specific binary payload to a target host and port, then analyzing the response to determine vulnerability. The exploit appears to target a network service, likely related to Oracle WebLogic Server.

Classification
Working Poc 80%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Oracle WebLogic Server (version not specified)
No auth needed
Prerequisites: Network access to the target host and port
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory
https://www.oracle.com/security-alerts/cpujan2023.html

Scores

CVSS v3 7.5
EPSS 0.0095
EPSS Percentile 56.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-306
Status published
Products (3)
oracle/weblogic_server 12.2.1.3.0
oracle/weblogic_server 12.2.1.4.0
oracle/weblogic_server 14.1.1.0.0
Published Jan 18, 2023
Tracked Since Feb 18, 2026