# CVE-2024-47121: Weak Passwords Requirements in goTenna Pro

> Attackers can decrypt past and future messages if they capture broadcasted encryption keys and brute-force the weak password used for sharing.

- **Severity:** Medium 6.0 (`CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Sep 2024
- **Updated:** 2 May 2025
- **Also known as:** GHSA-xcqq-5vvm-q9m2

## What is CVE-2024-47121?

CVE-2024-47121 is a medium-severity vulnerability in goTenna Pro, published on 26 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The goTenna Pro App uses a weak password for sharing encryption keys via
 the key broadcast method. If the broadcasted encryption key is captured
 over RF, and password is cracked via brute force attack, it is possible
 to decrypt it and use it to decrypt all future and past messages sent 
via encrypted broadcast with that particular key. This only applies when
 the key is broadcasted over RF. This is an optional feature, so it is 
recommended to use local QR encryption key sharing for additional 
security on this and previous versions.

Weakness: CWE-521 (Weak Password Requirements)

## Which versions are affected by CVE-2024-47121?

It affects 1 product.


Products: Gotenna Gotenna Pro.

## How do I fix CVE-2024-47121?

No fix has been published for CVE-2024-47121 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-47121 being exploited?

There is no known exploitation of CVE-2024-47121 in the wild and no public exploit code.

## Other vulnerabilities in goTenna Pro

- [CVE-2024-47130](https://insights.sbomify.com/CVE-2024-47130/): Missing Authentication for Critical Function in goTenna Pro (high 8.7)
- [CVE-2024-47125](https://insights.sbomify.com/CVE-2024-47125/): Improper Restriction of Communication Channel to Intended Endpoints in goTenna Pro (high 7.6)
- [CVE-2024-47126](https://insights.sbomify.com/CVE-2024-47126/): Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in goTenna Pro (high 7.1)
- [CVE-2024-47123](https://insights.sbomify.com/CVE-2024-47123/): Missing Support for Integrity Check in goTenna Pro (medium 6.0)
- [CVE-2024-47127](https://insights.sbomify.com/CVE-2024-47127/): Weak Authentication in goTenna Pro (medium 6.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-47121 and fix it if it is affected.

What it is: CVE-2024-47121 is a medium-severity vulnerability in goTenna Pro, published on 26 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-47121 in the wild and no public exploit code.

Affected product: goTenna Pro. 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-2024-47121/ (Markdown: https://insights.sbomify.com/CVE-2024-47121/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-47121
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-47121
- OSV: https://osv.dev/vulnerability/CVE-2024-47121

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-47121/
Summaries are generated and may contain mistakes; the official description above is the record.