# CVE-2021-25421: Information disclosure in Galaxy Watch3 PlugIn

> An attacker with log access can extract the Wi-Fi password from logs in the Galaxy Watch3 PlugIn, compromising network security.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Jun 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-8gp7-gq2p-694f

## What is CVE-2021-25421?

CVE-2021-25421 is a medium-severity vulnerability in Samsung Mobile Galaxy Watch3 PlugIn, published on 11 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Improper log management vulnerability in Galaxy Watch3 PlugIn prior to version 2.2.09.21033151 allows attacker with log permissions to leak Wi-Fi password connected to the user smartphone within log.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File), CWE-779 (Logging of Excessive Data)

## Which versions are affected by CVE-2021-25421?

It affects 1 product.


Products: Samsung Galaxy Watch 3 Plugin.

## How do I fix CVE-2021-25421?

No fix has been published for CVE-2021-25421 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-25421 being exploited?

There is no known exploitation of CVE-2021-25421 in the wild and no public exploit code.

## Other vulnerabilities in Samsung Mobile Galaxy Watch3 PlugIn

- [CVE-2022-25826](https://insights.sbomify.com/CVE-2022-25826/): Information disclosure in Galaxy S3 PlugIn (low 1.9)
- [CVE-2022-25830](https://insights.sbomify.com/CVE-2022-25830/): Information disclosure in Galaxy Watch3 Plugin (low 1.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-25421 and fix it if it is affected.

What it is: CVE-2021-25421 is a medium-severity vulnerability in Samsung Mobile Galaxy Watch3 PlugIn, published on 11 Jun 2021. 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-2021-25421 in the wild and no public exploit code.

Affected product: Samsung Mobile Galaxy Watch3 PlugIn. 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-2021-25421/ (Markdown: https://insights.sbomify.com/CVE-2021-25421/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-25421
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-25421
- OSV: https://osv.dev/vulnerability/CVE-2021-25421

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-25421/
Summaries are generated and may contain mistakes; the official description above is the record.