# CVE-2024-6940: DedeCMS article_template_rand.php code injection

> Remote attackers can execute arbitrary code in DedeCMS via the article_template_rand.php file, requiring immediate mitigation due to public exploit availability.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Jul 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-pw8x-jq9m-hmc9

## What is CVE-2024-6940?

CVE-2024-6940 is a medium-severity code injection vulnerability in Dedecms Dedecms, published on 21 Jul 2024. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability was found in DedeCMS 5.7.114. It has been classified as critical. This affects an unknown part of the file article_template_rand.php. The manipulation leads to code injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-271995. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2024-6940?

It affects 1 product.


Products: Dedecms Dedecms.

## How do I fix CVE-2024-6940?

No fix has been published for CVE-2024-6940 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-6940 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6940 exists.

## Other vulnerabilities in Dedecms Dedecms

- [CVE-2026-30643](https://insights.sbomify.com/CVE-2026-30643/): Code injection in n/a (critical 9.8)
- [CVE-2026-30694](https://insights.sbomify.com/CVE-2026-30694/): Code injection in n/a (critical 9.8)
- [CVE-2024-35510](https://insights.sbomify.com/CVE-2024-35510/): File upload in n/a (critical 9.8)
- [CVE-2024-35375](https://insights.sbomify.com/CVE-2024-35375/): File upload in n/a (critical 9.8)
- [CVE-2024-29661](https://insights.sbomify.com/CVE-2024-29661/): File upload in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-6940 and fix it if it is affected.

What it is: CVE-2024-6940 is a medium-severity code injection vulnerability in Dedecms Dedecms, published on 21 Jul 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6940 exists.

Affected product: Dedecms Dedecms. 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-2024-6940/ (Markdown: https://insights.sbomify.com/CVE-2024-6940/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-6940
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-6940
- OSV: https://osv.dev/vulnerability/CVE-2024-6940

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-6940/
Summaries are generated and may contain mistakes; the official description above is the record.
