# CVE-2020-7121: Memory corruption in Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400

> Memory corruption in Aruba CX switches allows local attackers to cause a denial of service in the LLDP process.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:** 23 Sep 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-4h59-37x5-fm3w

## What is CVE-2020-7121?

CVE-2020-7121 is a high-severity memory corruption vulnerability in Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400, published on 23 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Two memory corruption vulnerabilities in the Aruba CX Switches Series 6200F, 6300, 6400, 8320, 8325, and 8400 have been found. Successful exploitation of these vulnerabilities could result in Local Denial of Service of the LLDP (Link Layer Discovery Protocol) process in the switch. This applies to firmware versions prior to 10.04.3021.

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2020-7121?

It affects 6 products.


Products: Arubanetworks Cx 6200f Firmware, Arubanetworks Cx 6300 Firmware, Arubanetworks Cx 6400 Firmware, Arubanetworks Cx 8320 Firmware, Arubanetworks Cx 8325 Firmware, Arubanetworks Cx 8400 Firmware.

## How do I fix CVE-2020-7121?

No fix has been published for CVE-2020-7121 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-7121 being exploited?

There is no known exploitation of CVE-2020-7121 in the wild and no public exploit code.

## Other vulnerabilities in Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400

- [CVE-2020-7122](https://insights.sbomify.com/CVE-2020-7122/): Memory corruption in Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400 (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7121 and fix it if it is affected.

What it is: CVE-2020-7121 is a high-severity memory corruption vulnerability in Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400, published on 23 Sep 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-2020-7121 in the wild and no public exploit code.

Affected product: Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400. 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-2020-7121/ (Markdown: https://insights.sbomify.com/CVE-2020-7121/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7121
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7121
- OSV: https://osv.dev/vulnerability/CVE-2020-7121

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-7121/
Summaries are generated and may contain mistakes; the official description above is the record.