CVE-2020-2546

CRITICAL

Oracle WebLogic Server <12.1.3.0.0 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-2546. PoCs published by hktalent.

AI-analyzed exploit summary This repository provides a writeup and code snippets for exploiting multiple WebLogic vulnerabilities, including CVE-2020-2546, via deserialization and RMI-based attacks. It includes payload examples and references to related CVEs but lacks a complete, executable PoC.

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Application Container - JavaEE). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Exploits (1)

nomisec WRITEUP 133 stars
by hktalent · poc
https://github.com/hktalent/CVE_2020_2546

This repository provides a writeup and code snippets for exploiting multiple WebLogic vulnerabilities, including CVE-2020-2546, via deserialization and RMI-based attacks. It includes payload examples and references to related CVEs but lacks a complete, executable PoC.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: Oracle WebLogic Server
No auth needed
Prerequisites: Network access to vulnerable WebLogic server · Knowledge of target environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html

Scores

CVSS v3 9.8
EPSS 0.0513
EPSS Percentile 91.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

Status published
Products (2)
oracle/weblogic_server 10.3.6.0.0
oracle/weblogic_server 12.1.3.0.0
Published Jan 15, 2020
Tracked Since Feb 18, 2026