# CVE-2023-41096: Keys Stored in Plaintext on Secure Vault High for Silabs Ember ZNet devices

> Attackers can extract network credentials from flash memory due to missing encryption in Silicon Labs Ember ZNet SDK, compromising device security.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:P/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Oct 2023
- **Updated:** 25 Sep 2024
- **Also known as:** GHSA-gvm4-mpc7-wjpq

## What is CVE-2023-41096?

CVE-2023-41096 is a medium-severity vulnerability in silabs.com Ember ZNet SDK, published on 26 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Missing Encryption of Security Keys vulnerability in Silicon Labs Ember ZNet SDK on 32 bit, ARM (SecureVault High modules)
 allows potential modification or extraction of network credentials stored in flash.

This issue affects Silicon Labs Ember ZNet SDK: 7.3.1 and earlier.

Weakness: CWE-311 (Missing Encryption of Sensitive Data), CWE-312 (Cleartext Storage of Sensitive Information)

## Which versions are affected by CVE-2023-41096?

It affects 1 product.


Products: Silabs Emberznet Sdk.

## How do I fix CVE-2023-41096?

No fix has been published for CVE-2023-41096 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-41096 being exploited?

There is no known exploitation of CVE-2023-41096 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-41096 and fix it if it is affected.

What it is: CVE-2023-41096 is a medium-severity vulnerability in silabs.com Ember ZNet SDK, published on 26 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-41096 in the wild and no public exploit code.

Affected product: silabs.com Ember ZNet SDK. 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-2023-41096/ (Markdown: https://insights.sbomify.com/CVE-2023-41096/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-41096
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-41096
- OSV: https://osv.dev/vulnerability/CVE-2023-41096

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-41096/
Summaries are generated and may contain mistakes; the official description above is the record.