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CVE-2020-2551 is a critical unauthenticated remote code execution vulnerability in Oracle WebLogic Server WLS Core Components affecting supported versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0. The flaw is exposed through the server’s Internet Inter-ORB Protocol (IIOP) handling and is described as an easily exploitable deserialization issue involving a malicious JNDI lookup during IIOP request processing. Available technical analysis indicates attacker-controlled serialized data can be processed through WebLogic CORBA and IIOP classes, with execution paths reaching deserialization logic such as IIOPInputStream.read_value, ValueHandlerImpl.readValue, and JtaTransactionManager.readObject. Successful exploitation can allow arbitrary code execution and full compromise of the affected WebLogic instance.
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4 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos (4 hidden).
This repository is a comprehensive exploit library (exphub) containing operational exploit scripts for a wide range of high-profile vulnerabilities affecting popular enterprise software. The structure is organized by product (e.g., drupal/, f5/, fastjson/, jboss/, nexus/, ofbiz/, shiro/, solr/, spring/, struts2/, tomcat/, weblogic/), with each directory containing Python or Java scripts for specific CVEs. The scripts are primarily remote code execution (RCE) exploits, but also include file read, webshell upload, SSRF, and administrative bypasses. Many scripts provide interactive shells or allow arbitrary command execution, and some require authentication. The repository includes both proof-of-concept (POC) and full exploit scripts, with detailed usage instructions embedded in the code and readme files. The attack vector is predominantly network-based, targeting HTTP(S) endpoints, and the scripts are suitable for both vulnerability validation and exploitation. The codebase is mature, with operational exploits for each vulnerability, and is a valuable resource for penetration testers and red teamers.
This repository provides operational exploits for three Oracle WebLogic Server vulnerabilities: CVE-2020-2551, CVE-2020-2555, and CVE-2020-2883. The structure includes a Java-based exploit for CVE-2020-2551 (in CVE-2020-2551/src/exp.java) and two Python scripts for CVE-2020-2555 and CVE-2020-2883 (in CVE-2020-2555/CVE20202555Exp.py and CVE-2020-2883/CVE20202883Exp.py). The Java exploit leverages IIOP deserialization to trigger command execution, using callback domains (win.wb2551.starsosectest.starso.cn, lin.wb2551.starsosectest.starso.cn) to verify success. The Python scripts exploit the T3 protocol to send serialized payloads that execute arbitrary commands on the target. The exploits are configurable, allowing the attacker to specify the target URL and command to execute. The repository is well-structured, with clear separation for each CVE and supporting build files for the Java exploit. The main purpose is to provide proof-of-concept and operational exploit code for remote command execution on vulnerable WebLogic servers.
This repository contains two Python proof-of-concept (POC) scripts for exploiting CVE-2020-2551, a remote code execution vulnerability in Oracle WebLogic Server's IIOP (CORBA) protocol handler. The main script, CVE-2020-2551.py, crafts and sends IIOP packets to a target WebLogic server, extracting a key address from the server's response and then sending a malicious 'bind_any' request containing a reference to an attacker-controlled JRMP (RMI) server. This can trigger the server to make an outbound RMI connection, which can be leveraged for further exploitation (e.g., deserialization attacks). The second script, CVE-2020-TEST.py, extends the attack by attempting to set a remote codebase (e.g., http://localhost:8000/test.jar) for remote class loading, but this attack vector is typically mitigated by default server settings. The README provides a detailed technical background on the vulnerability, exploitation techniques, and the structure of the IIOP protocol as used by WebLogic. The repository is structured with two Python exploit scripts and a comprehensive README explaining the vulnerability and exploitation process.
This repository provides an exploit for CVE-2020-2551, a remote code execution vulnerability in Oracle WebLogic Server's IIOP protocol. The exploit consists of two main Java files: 'src/com/payload/Main.java', which orchestrates the attack by connecting to the target WebLogic server and triggering deserialization via a crafted JNDI context, and 'src/exp.java', which is a payload class that executes a system command (in the example, a curl to an attacker-controlled server). The attack requires the attacker to run a malicious RMI server (using marshalsec or similar tools) and a web server to host the payload class file. The exploit is operational and demonstrates remote code execution, but the payload can be customized for other actions. The repository includes build scripts (Makefile, build.xml), a manifest, and documentation in README.md, which provides detailed usage instructions and references. The main attack vector is network-based, targeting WebLogic's IIOP service, and the exploit is tailored for WebLogic 10.3.6 running on JDK 1.6.
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8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An older Oracle WebLogic Server remote code execution vulnerability referenced as still being targeted in attacks against WebLogic environments.
A critical Oracle WebLogic Server remote code execution vulnerability referred to here as IIOP RCE and observed in exploitation attempts against honeypots.
A severe deserialization vulnerability in Oracle WebLogic Server's IIOP protocol that allows remote code execution.
A critical deserialization flaw in Oracle WebLogic Server's IIOP component that allows unauthenticated remote code execution.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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