# CVE-2022-2776: SourceCodester Gym Management System delete_user.php denial of service

> Remote attackers can cause a denial of service in the Gym Management System by manipulating the delete_user argument in delete_user.php.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L`)
- **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:** 11 Aug 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-73g4-36m6-34mp

## What is CVE-2022-2776?

CVE-2022-2776 is a medium-severity denial of service vulnerability in SourceCodester Gym Management System, published on 11 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as problematic has been found in SourceCodester Gym Management System. Affected is an unknown function of the file delete_user.php. The manipulation of the argument delete_user leads to denial of service. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-206172.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2022-2776?

It affects 1 product.


Products: Gym Management System Project Gym Management System.

## How do I fix CVE-2022-2776?

No fix has been published for CVE-2022-2776 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2776 being exploited?

There is no known exploitation of CVE-2022-2776 in the wild and no public exploit code.

## Other vulnerabilities in SourceCodester Gym Management System

- [CVE-2022-2842](https://insights.sbomify.com/CVE-2022-2842/): SourceCodester Gym Management System login.php sql injection (high 7.3)
- [CVE-2022-2744](https://insights.sbomify.com/CVE-2022-2744/): SourceCodester Gym Management System Background Management add_exercises.php unrestricted upload (medium 6.3)
- [CVE-2022-2745](https://insights.sbomify.com/CVE-2022-2745/): SourceCodester Gym Management System Add New Trainer add_trainers.php sql injection (medium 6.3)
- [CVE-2022-2727](https://insights.sbomify.com/CVE-2022-2727/): SourceCodester Gym Management System login.php sql injection (medium 6.3)
- [CVE-2022-2728](https://insights.sbomify.com/CVE-2022-2728/): SourceCodester Gym Management System index.php sql injection (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2776 and fix it if it is affected.

What it is: CVE-2022-2776 is a medium-severity denial of service vulnerability in SourceCodester Gym Management System, published on 11 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-2776 in the wild and no public exploit code.

Affected product: SourceCodester Gym Management System. 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-2022-2776/ (Markdown: https://insights.sbomify.com/CVE-2022-2776/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2776
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2776
- OSV: https://osv.dev/vulnerability/CVE-2022-2776

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2776/
Summaries are generated and may contain mistakes; the official description above is the record.