# CVE-2024-29733: Apache Airflow FTP Provider: FTP_TLS instance with unverified SSL context

> An attacker can bypass SSL certificate validation in Apache Airflow FTP connections, potentially enabling man-in-the-middle attacks.

- **Severity:** Low 2.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 21 Apr 2024
- **Updated:** 13 Feb 2025
- **Also known as:** ECHO-b395-a7ab-d901, GHSA-3gg8-mc87-cq3h, PYSEC-2026-1148

## What is CVE-2024-29733?

CVE-2024-29733 is a low-severity vulnerability in Apache Airflow FTP Provider, published on 21 Apr 2024. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Improper Certificate Validation vulnerability in Apache Airflow FTP Provider.

The FTP hook lacks complete certificate validation in FTP_TLS connections, which can potentially be leveraged. Implementing proper certificate validation by passing context=ssl.create_default_context() during FTP_TLS instantiation is used as mitigation to validate the certificates properly.

This issue affects Apache Airflow FTP Provider: before 3.7.0.

Users are recommended to upgrade to version 3.7.0, which fixes the issue.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2024-29733?

3 open source packages ship an affected version, including apache-airflow-providers-ftp. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `apache-airflow-providers-ftp` | PyPI | All versions | 3.7.0 |
| `apache-airflow-providers-ftp` | PyPI | All versions | 3.7.0 |
| `apache-airflow-providers-ftp` | PyPI | All versions | 3.7.0 |

Products: Apache Apache-Airflow-Providers-Ftp.

## How do I fix CVE-2024-29733?

Upgrade apache-airflow-providers-ftp to 3.7.0 or later.

## Is CVE-2024-29733 being exploited?

There is no known exploitation of CVE-2024-29733 in the wild and no public exploit code.

## Other vulnerabilities in Apache Airflow FTP Provider

- [CVE-2026-49486](https://insights.sbomify.com/CVE-2026-49486/): Apache Airflow FTP provider: FTP Provider does not protect FTPS data channel (missing PROT_P) (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-29733 and fix it if it is affected.

What it is: CVE-2024-29733 is a low-severity vulnerability in Apache Airflow FTP Provider, published on 21 Apr 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-29733 in the wild and no public exploit code.

Affected packages and fixed versions:
- apache-airflow-providers-ftp (PyPI): affected all versions; fixed in 3.7.0
- apache-airflow-providers-ftp (PyPI): affected all versions; fixed in 3.7.0
- apache-airflow-providers-ftp (PyPI): affected all versions; fixed in 3.7.0

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-2024-29733/ (Markdown: https://insights.sbomify.com/CVE-2024-29733/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-29733
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-29733
- OSV: https://osv.dev/vulnerability/CVE-2024-29733

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-29733/
Summaries are generated and may contain mistakes; the official description above is the record.