# CVE-2024-39376: Improper Access Control In TELSAT MarKoni FM Transmitter

> Attackers can gain unauthorized access to sensitive information or perform actions beyond permissions on TELSAT MarKoni FM Transmitters.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Jun 2024
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-v93q-27w5-6jq6

## What is CVE-2024-39376?

CVE-2024-39376 is a critical missing authorization vulnerability in Markoni-D (Compact) FM Transmitters, published on 27 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

TELSAT marKoni FM Transmitters are vulnerable to users gaining unauthorized access to sensitive information or performing actions beyond their designated permissions.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2024-39376?

It affects 2 products.


Products: Markoni Markoni-D \(Compact\) Firmware, Markoni Markoni-Dh \(Exciter\+amplifiers\) Firmware.

## How do I fix CVE-2024-39376?

No fix has been published for CVE-2024-39376 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-39376 being exploited?

There is no known exploitation of CVE-2024-39376 in the wild and no public exploit code.

## Other vulnerabilities in Markoni-D (Compact) FM Transmitters

- [CVE-2024-39373](https://insights.sbomify.com/CVE-2024-39373/): Improper Neutralization of Special Elements used in a Command in TELSAT marKoni FM Transmitter (critical 9.3)
- [CVE-2024-39374](https://insights.sbomify.com/CVE-2024-39374/): Use of Hard-coded Credentials in TELSAT marKoni FM Transmitter (critical 9.3)
- [CVE-2024-39375](https://insights.sbomify.com/CVE-2024-39375/): Use of Client-Side Authentication in TELSAT marKoni FM Transmitter (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-39376 and fix it if it is affected.

What it is: CVE-2024-39376 is a critical missing authorization vulnerability in Markoni-D (Compact) FM Transmitters, published on 27 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-39376 in the wild and no public exploit code.

Affected product: Markoni-D (Compact) FM Transmitters. 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-2024-39376/ (Markdown: https://insights.sbomify.com/CVE-2024-39376/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-39376
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-39376
- OSV: https://osv.dev/vulnerability/CVE-2024-39376

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-39376/
Summaries are generated and may contain mistakes; the official description above is the record.