# CVE-2020-7924: Specific command line parameter might result in accepting invalid certificate

> Attackers can bypass TLS certificate validation in MongoDB tools by using a specific command line parameter, enabling man-in-the-middle attacks.

- **Severity:** Medium 4.2 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 12 Apr 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-6cwm-wm82-hgrw, GO-2024-2550

## What is CVE-2020-7924?

CVE-2020-7924 is a medium-severity vulnerability in MongoDB Database Tools, published on 12 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Usage of specific command line parameter in MongoDB Tools which was originally intended to just skip hostname checks, may result in MongoDB skipping all certificate validation. This may result in accepting invalid certificates.This issue affects: MongoDB Inc. MongoDB Database Tools 3.6 versions later than 3.6.5; 3.6 versions prior to 3.6.21; 4.0 versions prior to 4.0.21; 4.2 versions prior to 4.2.11; 100 versions prior to 100.2.0. MongoDB Inc. Mongomirror 0 versions later than 0.6.0.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2020-7924?

3 open source packages ship an affected version, including github.com/mongodb/mongo-tools. It affects 2 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/mongodb/mongo-tools` | Go | All versions | 0.0.0-20200819165540-8c1800b51550 |
| `github.com/mongodb/mongo-tools` | Go | From 100.0.0 | 100.2.0 |
| `github.com/mongodb/mongo-tools` | Go | From 100.0.0 | 100.2.0 |

Products: Mongodb Database Tools, Mongodb Mongomirror.

## How do I fix CVE-2020-7924?

Upgrade github.com/mongodb/mongo-tools to a fixed version for your release line: 0.0.0-20200819165540-8c1800b51550 or 100.2.0.

## Is CVE-2020-7924 being exploited?

There is no known exploitation of CVE-2020-7924 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7924 and fix it if it is affected.

What it is: CVE-2020-7924 is a medium-severity vulnerability in MongoDB Database Tools, published on 12 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-7924 in the wild and no public exploit code.

Affected packages and fixed versions:
- github.com/mongodb/mongo-tools (Go): affected all versions; fixed in 0.0.0-20200819165540-8c1800b51550
- github.com/mongodb/mongo-tools (Go): affected from 100.0.0; fixed in 100.2.0
- github.com/mongodb/mongo-tools (Go): affected from 100.0.0; fixed in 100.2.0

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-2020-7924/ (Markdown: https://insights.sbomify.com/CVE-2020-7924/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7924
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7924
- OSV: https://osv.dev/vulnerability/CVE-2020-7924

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-7924/
Summaries are generated and may contain mistakes; the official description above is the record.