# CVE-2018-15784: DSA-2019-001: Dell Networking OS10 Improper Certificate Validation Vulnerability

> An attacker can perform man-in-the-middle attacks by exploiting improper certificate validation in the Phone Home feature of Dell Networking OS10.

- **Severity:** High 7.4 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Jan 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-cjrx-g39c-84q7

## What is CVE-2018-15784?

CVE-2018-15784 is a high-severity vulnerability in Dell Networking OS10, published on 18 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Dell Networking OS10 versions prior to 10.4.3.0 contain a vulnerability in the Phone Home feature which does not properly validate the server's certificate authority during TLS handshake. Use of an invalid or malicious certificate could potentially allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2018-15784?

It affects 1 product.


Products: Dell Networking Os10.

## How do I fix CVE-2018-15784?

No fix has been published for CVE-2018-15784 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-15784 being exploited?

There is no known exploitation of CVE-2018-15784 in the wild and no public exploit code.

## Other vulnerabilities in Dell Networking OS10

- [CVE-2024-25949](https://insights.sbomify.com/CVE-2024-25949/): Privilege escalation in SmartFabric OS10 Software (high 8.8)
- [CVE-2021-36307](https://insights.sbomify.com/CVE-2021-36307/): Privilege escalation in Networking OS (high 8.8)
- [CVE-2018-15778](https://insights.sbomify.com/CVE-2018-15778/): DSA-2019-019: Dell Networking OS10 OS Command Injection Vulnerability (high 8.8)
- [CVE-2021-36306](https://insights.sbomify.com/CVE-2021-36306/): Auth bypass in Networking OS (high 8.1)
- [CVE-2023-39248](https://insights.sbomify.com/CVE-2023-39248/): Denial of service in Dell Networking OS10 (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-15784 and fix it if it is affected.

What it is: CVE-2018-15784 is a high-severity vulnerability in Dell Networking OS10, published on 18 Jan 2019. 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-2018-15784 in the wild and no public exploit code.

Affected product: Dell Networking OS10. 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-2018-15784/ (Markdown: https://insights.sbomify.com/CVE-2018-15784/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-15784
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-15784
- OSV: https://osv.dev/vulnerability/CVE-2018-15784

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-15784/
Summaries are generated and may contain mistakes; the official description above is the record.