3.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-3366

CVE-2024-3366: Xuxueli xxl-job template injection vulnerability

A vulnerability classified as problematic was found in Xuxueli xxl-job version 2.4.0. This vulnerability affects the function deserialize of the file com/xxl/job/core/util/JdkSerializeTool.java of the component Template Handler. The manipulation leads to injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259480.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2024-3366

CVE-2024-3366:

3.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
com.xuxueli:xxl-job-core	maven	<= 2.4.0

Technical Details

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Root Cause Analysis

The vulnerability centers around insecure deserialization in JdkSerializeTool.java. The deserialize method directly uses ObjectInputStream.readObject() on untrusted input, which is a well-known anti-pattern for Java applications. This allows arbitrary object deserialization attacks. While other utility classes (ScriptUtil, FileUtil) are mentioned as exploitation vectors, the root cause is the insecure deserialization in JdkSerializeTool. The CWE-74 classification and public exploit POC confirm this is an injection vulnerability stemming from improper input neutralization during deserialization. The GitHub issue #3391 explicitly links template injection attacks to this deserialization weakness as the entry point.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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