# CVE-2024-24751: Broken Access Control in Backend Module in sf_event_mgt

> Broken access control in the backend module allows unauthorized access to event data due to unhandled redirect responses.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 13 Feb 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-4576-pgh2-g34j

## What is CVE-2024-24751?

CVE-2024-24751 is a medium-severity missing authorization vulnerability in derhansen sf_event_mgt, published on 13 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

sf_event_mgt is an event management and registration extension for the TYPO3 CMS based on ExtBase and Fluid. In affected versions the existing access control check for events in the backend module got broken during the update of the extension to TYPO3 12.4, because the `RedirectResponse` from the `$this->redirect()` function was never handled. This issue has been addressed in version 7.4.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness: CWE-863 (Incorrect Authorization), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2024-24751?

2 open source packages ship an affected version, including derhansen/sf_event_mgt. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `derhansen/sf_event_mgt` | Packagist | From 7.0.0 | 7.4.0 |
| `derhansen/sf_event_mgt` | Packagist | From 7.0.0 | 7.4.0 |

Products: Derhansen Event Management and Registration.

## How do I fix CVE-2024-24751?

Upgrade derhansen/sf_event_mgt to 7.4.0 or later.

## Is CVE-2024-24751 being exploited?

There is no known exploitation of CVE-2024-24751 in the wild and no public exploit code.

## Other vulnerabilities in derhansen sf_event_mgt

- [CVE-2020-25026](https://insights.sbomify.com/CVE-2020-25026/): Information Disclosure in TYPO3 extension sf_event_mgt (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-24751 and fix it if it is affected.

What it is: CVE-2024-24751 is a medium-severity missing authorization vulnerability in derhansen sf_event_mgt, published on 13 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-24751 in the wild and no public exploit code.

Affected packages and fixed versions:
- derhansen/sf_event_mgt (Packagist): affected from 7.0.0; fixed in 7.4.0
- derhansen/sf_event_mgt (Packagist): affected from 7.0.0; fixed in 7.4.0

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-2024-24751/ (Markdown: https://insights.sbomify.com/CVE-2024-24751/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-24751
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-24751
- OSV: https://osv.dev/vulnerability/CVE-2024-24751

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-24751/
Summaries are generated and may contain mistakes; the official description above is the record.