# CVE-2020-24637: Security feature bypass in Aruba 7000 Series Mobility Controllers

> Attackers can bypass Secure Boot to load untrusted kernels, compromising system integrity on Aruba gateways and controllers.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Dec 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-c43f-p3rv-7q34

## What is CVE-2020-24637?

CVE-2020-24637 is a high-severity vulnerability in Arubanetworks Arubaos, published on 11 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Two vulnerabilities in ArubaOS GRUB2 implementation allows for an attacker to bypass secureboot. Successful exploitation of this vulnerability this could lead to remote compromise of system integrity by allowing an attacker to load an untrusted or modified kernel in Aruba 9000 Gateway; Aruba 7000 Series Mobility Controllers; Aruba 7200 Series Mobility Controllers version(s): 2.1.0.1, 2.2.0.0 and below; 6.4.4.23, 6.5.4.17, 8.2.2.9, 8.3.0.13, 8.5.0.10, 8.6.0.5, 8.7.0.0 and below ; 6.4.4.23, 6.5.4.17, 8.2.2.9, 8.3.0.13, 8.5.0.10, 8.6.0.5, 8.7.0.0 and below.

## Which versions are affected by CVE-2020-24637?

It affects 2 products.


Products: Arubanetworks Arubaos, Arubanetworks Sd-Wan.

## How do I fix CVE-2020-24637?

No fix has been published for CVE-2020-24637 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-24637 being exploited?

There is no known exploitation of CVE-2020-24637 in the wild and no public exploit code.

## Other vulnerabilities in Arubanetworks Arubaos

- [CVE-2024-42393](https://insights.sbomify.com/CVE-2024-42393/): Memory corruption in Hpe Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10 (critical 9.8)
- [CVE-2024-42394](https://insights.sbomify.com/CVE-2024-42394/): Memory corruption in HPE Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10 (critical 9.8)
- [CVE-2024-42395](https://insights.sbomify.com/CVE-2024-42395/): Memory corruption in HPE Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10 (critical 9.8)
- [CVE-2024-31466](https://insights.sbomify.com/CVE-2024-31466/): Unauthenticated Buffer Overflow Vulnerabilities in CLI Service Accessed by the PAPI Protocol (critical 9.8)
- [CVE-2024-31467](https://insights.sbomify.com/CVE-2024-31467/): Unauthenticated Buffer Overflow Vulnerabilities in CLI Service Accessed by the PAPI Protocol (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-24637 and fix it if it is affected.

What it is: CVE-2020-24637 is a high-severity vulnerability in Arubanetworks Arubaos, published on 11 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-24637 in the wild and no public exploit code.

Affected product: Arubanetworks Arubaos. 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-2020-24637/ (Markdown: https://insights.sbomify.com/CVE-2020-24637/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-24637
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-24637
- OSV: https://osv.dev/vulnerability/CVE-2020-24637

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-24637/
Summaries are generated and may contain mistakes; the official description above is the record.