# CVE-2020-11951: Hardcoded credentials in n/a

> A backdoor root account allows attackers to gain unauthorized administrative access to Rittal PDU and CMC devices.

- **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:** 14 Jul 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-q3pf-hhq3-r6v2

## What is CVE-2020-11951?

CVE-2020-11951 is a critical vulnerability in n/a, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An issue was discovered on Rittal PDU-3C002DEC through 5.17.10 and CMCIII-PU-9333E0FB through 3.17.10 devices. There is a Backdoor root account.

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

## Which versions are affected by CVE-2020-11951?

It affects 5 products.


Products: Rittal Cmc Iii Pu 7030.000 Firmware, Rittal Cmciii-Pu-9333e0fb Firmware, Rittal Iot Interface 3124.300, Rittal Lcp-Cw Firmware, Rittal Pdu-3c002dec Firmware.

## How do I fix CVE-2020-11951?

No fix has been published for CVE-2020-11951 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-11951 being exploited?

There is no known exploitation of CVE-2020-11951 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2020-11956](https://insights.sbomify.com/CVE-2020-11956/): Privilege escalation in n/a (critical 9.8)
- [CVE-2020-11953](https://insights.sbomify.com/CVE-2020-11953/): Command injection in n/a (high 8.8)
- [CVE-2020-11955](https://insights.sbomify.com/CVE-2020-11955/): Misconfiguration in n/a (high 8.8)
- [CVE-2020-11952](https://insights.sbomify.com/CVE-2020-11952/): Auth bypass in n/a (medium 6.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-11951 and fix it if it is affected.

What it is: CVE-2020-11951 is a critical vulnerability in n/a, published on 14 Jul 2020. 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-2020-11951 in the wild and no public exploit code.

Affected product: n/a. 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-2020-11951/ (Markdown: https://insights.sbomify.com/CVE-2020-11951/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-11951
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-11951
- OSV: https://osv.dev/vulnerability/CVE-2020-11951

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-11951/
Summaries are generated and may contain mistakes; the official description above is the record.