# CVE-2024-3366: Xuxueli xxl-job Template JdkSerializeTool.java deserialize injection

> An attacker can execute arbitrary code by exploiting unsafe Java deserialization in the xxl-job scheduling library.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Apr 2024
- **Updated:** 21 Aug 2024
- **Also known as:** GHSA-2v42-xp3j-47m4

## What is CVE-2024-3366?

CVE-2024-3366 is a low-severity unsafe deserialization vulnerability in Xuxueli xxl-job, published on 6 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability classified as problematic was found in Xuxueli xxl-job up to 2.4.1. 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.

Weakness: CWE-502 (Deserialization of Untrusted Data), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2024-3366?

2 open source packages ship an affected version, including com.xuxueli:xxl-job-core. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `com.xuxueli:xxl-job-core` | Maven | All versions to 2.4.0 | None |
| `com.xuxueli:xxl-job-core` | Maven | All versions to 2.4.0 | None |

Products: Xuxueli Xxl-Job.

## How do I fix CVE-2024-3366?

No fix has been published for CVE-2024-3366 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-3366 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3366 exists.

## Other vulnerabilities in Xuxueli xxl-job

- [CVE-2022-40929](https://insights.sbomify.com/CVE-2022-40929/): XXL-JOB contains a Command execution vulnerability in background tasks (critical 9.8)
- [CVE-2024-42681](https://insights.sbomify.com/CVE-2024-42681/): Improper Preservation of Permissions in xxl-job (high 8.8)
- [CVE-2024-24113](https://insights.sbomify.com/CVE-2024-24113/): XXL-JOB vulnerable to Server-Side Request Forgery (high 8.8)
- [CVE-2023-48089](https://insights.sbomify.com/CVE-2023-48089/): xxl-job-admin vulnerable to Remote Code Execution (high 8.8)
- [CVE-2020-24922](https://insights.sbomify.com/CVE-2020-24922/): xuxueli xxl-job Cross-Site Request Forgery Vulnerability (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-3366 and fix it if it is affected.

What it is: CVE-2024-3366 is a low-severity unsafe deserialization vulnerability in Xuxueli xxl-job, published on 6 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3366 exists.

Affected packages and fixed versions:
- com.xuxueli:xxl-job-core (Maven): affected all versions up to 2.4.0; no fix listed
- com.xuxueli:xxl-job-core (Maven): affected all versions up to 2.4.0; no fix listed

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-3366/ (Markdown: https://insights.sbomify.com/CVE-2024-3366/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-3366
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-3366
- OSV: https://osv.dev/vulnerability/CVE-2024-3366

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-3366/
Summaries are generated and may contain mistakes; the official description above is the record.