# CVE-2020-5349: Hardcoded credentials in Networking

> Remote attackers can use hardcoded credentials to gain administrative privileges on Dell EMC S4100 and S5200 switches.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Jul 2021
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-4m62-4495-gj4g

## What is CVE-2020-5349?

CVE-2020-5349 is a critical vulnerability in Dell Networking, published on 19 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Dell EMC Networking S4100 and S5200 Series Switches manufactured prior to February 2020 contain a hardcoded credential vulnerability. A remote unauthenticated malicious user could exploit this vulnerability and gain administrative privileges.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2020-5349?

It affects 13 products.


Products: Dell Emc Powerswitch S4112f-On, Dell Emc Powerswitch S4112t-On, Dell Emc Powerswitch S4128f-On, Dell Emc Powerswitch S4128t-On, Dell Emc Powerswitch S4148f-On, Dell Emc Powerswitch S4148fe-On, Dell Emc Powerswitch S4148t-On, Dell Emc Powerswitch S4148u-On, Dell Emc Powerswitch S5212f-On, Dell Emc Powerswitch S5224f-On, Dell Emc Powerswitch S5232f-On, Dell Emc Powerswitch S5248f-On, Dell Emc Powerswitch S5296f-On.

## How do I fix CVE-2020-5349?

No fix has been published for CVE-2020-5349 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-5349 being exploited?

There is no known exploitation of CVE-2020-5349 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-5349 and fix it if it is affected.

What it is: CVE-2020-5349 is a critical vulnerability in Dell Networking, published on 19 Jul 2021. 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-2020-5349 in the wild and no public exploit code.

Affected product: Dell Networking. 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-2020-5349/ (Markdown: https://insights.sbomify.com/CVE-2020-5349/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-5349
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-5349
- OSV: https://osv.dev/vulnerability/CVE-2020-5349

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-5349/
Summaries are generated and may contain mistakes; the official description above is the record.