# CVE-2024-9003: Jinan Chicheng Company JFlow Attachment EntityMutliFile_Load.do AttachmentUploadController access control

> Attackers can bypass access controls to upload attachments via the EntityMutliFile_Load.do endpoint in JFlow, potentially modifying data.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Sep 2024
- **Updated:** 20 Sep 2024
- **Also known as:** GHSA-567g-p628-rg3x

## What is CVE-2024-9003?

CVE-2024-9003 is a medium-severity missing authorization vulnerability in Jinan Chicheng Company JFlow, published on 19 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Jinan Chicheng Company JFlow 2.0.0. It has been rated as problematic. This issue affects the function AttachmentUploadController of the file /WF/Ath/EntityMutliFile_Load.do of the component Attachment Handler. The manipulation of the argument oid leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2024-9003?

It affects 1 product.


Products: Jflow Project Jflow.

## How do I fix CVE-2024-9003?

No fix has been published for CVE-2024-9003 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-9003 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9003 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-9003 and fix it if it is affected.

What it is: CVE-2024-9003 is a medium-severity missing authorization vulnerability in Jinan Chicheng Company JFlow, published on 19 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9003 exists.

Affected product: Jinan Chicheng Company JFlow. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2024-9003/ (Markdown: https://insights.sbomify.com/CVE-2024-9003/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-9003
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-9003
- OSV: https://osv.dev/vulnerability/CVE-2024-9003

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-9003/
Summaries are generated and may contain mistakes; the official description above is the record.