# CVE-2023-2104: Improper Access Control in alextselegidis/easyappointments

> Attackers can bypass access controls to read or modify data in Easy Appointments due to improper authorization checks.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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:** No
- **Published:** 15 Apr 2023
- **Updated:** 6 Feb 2025
- **Also known as:** GHSA-fc4g-f42p-7rhp

## What is CVE-2023-2104?

CVE-2023-2104 is a medium-severity missing authorization vulnerability in alextselegidis/easyappointments, published on 15 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Improper Access Control in GitHub repository alextselegidis/easyappointments prior to 1.5.0.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2023-2104?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `alextselegidis/easyappointments` | Packagist | All versions to 1.4.3 | None |
| `alextselegidis/easyappointments` | Packagist | All versions to 1.4.3 | None |

Products: Easyappointments Easyappointments.

## How do I fix CVE-2023-2104?

No fix has been published for CVE-2023-2104 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2104 being exploited?

There is no known exploitation of CVE-2023-2104 in the wild and no public exploit code.

## Other vulnerabilities in alextselegidis/easyappointments

- [CVE-2023-3287](https://insights.sbomify.com/CVE-2023-3287/): A BOLA vulnerability in POST /admins in EasyAppointments < 1.5.0 (critical 9.9)
- [CVE-2023-38048](https://insights.sbomify.com/CVE-2023-38048/): A BOLA vulnerability in GET, PUT, DELETE /providers/{providerId} in EasyAppointments < 1.5.0 (critical 9.9)
- [CVE-2023-38049](https://insights.sbomify.com/CVE-2023-38049/): A BOLA vulnerability in GET, PUT, DELETE /appointments/{appointmentId} in EasyAppointments < 1.5.0 (critical 9.9)
- [CVE-2023-38051](https://insights.sbomify.com/CVE-2023-38051/): A BOLA vulnerability in GET, PUT, DELETE /secretaries/{secretaryId} in EasyAppointments < 1.5.0 (critical 9.9)
- [CVE-2023-38052](https://insights.sbomify.com/CVE-2023-38052/): A BOLA vulnerability in GET, PUT, DELETE /admins/{adminId} in EasyAppointments < 1.5.0 (critical 9.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2104 and fix it if it is affected.

What it is: CVE-2023-2104 is a medium-severity missing authorization vulnerability in alextselegidis/easyappointments, published on 15 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-2104 in the wild and no public exploit code.

Affected packages and fixed versions:
- alextselegidis/easyappointments (Packagist): affected all versions up to 1.4.3; no fix listed
- alextselegidis/easyappointments (Packagist): affected all versions up to 1.4.3; 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-2023-2104/ (Markdown: https://insights.sbomify.com/CVE-2023-2104/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2104
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2104
- OSV: https://osv.dev/vulnerability/CVE-2023-2104

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2104/
Summaries are generated and may contain mistakes; the official description above is the record.