# CVE-2021-25352: Privilege escalation in Bixby Voice

> Attackers can hijack implicit intents in Bixby Voice to execute privileged actions, requiring an upgrade to the latest version.

- **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:** 25 Mar 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-xfcw-6c56-rp9p

## What is CVE-2021-25352?

CVE-2021-25352 is a medium-severity vulnerability in Samsung Mobile Bixby Voice, published on 25 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Using PendingIntent with implicit intent in Bixby Voice prior to version 3.0.52.14 allows attackers to execute privileged action by hijacking and modifying the intent.

Weakness: CWE-668 (Exposure of Resource to Wrong Sphere), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2021-25352?

It affects 1 product.


Products: Samsung Bixby Voice.

## How do I fix CVE-2021-25352?

No fix has been published for CVE-2021-25352 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-25352 being exploited?

There is no known exploitation of CVE-2021-25352 in the wild and no public exploit code.

## Other vulnerabilities in Samsung Mobile Bixby Voice

- [CVE-2023-42543](https://insights.sbomify.com/CVE-2023-42543/): Missing authorization in Bixby Voice (medium 6.2)
- [CVE-2021-25398](https://insights.sbomify.com/CVE-2021-25398/): Information disclosure in Bixby Voice (low 3.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-25352 and fix it if it is affected.

What it is: CVE-2021-25352 is a medium-severity vulnerability in Samsung Mobile Bixby Voice, published on 25 Mar 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-2021-25352 in the wild and no public exploit code.

Affected product: Samsung Mobile Bixby Voice. 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-2021-25352/ (Markdown: https://insights.sbomify.com/CVE-2021-25352/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-25352
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-25352
- OSV: https://osv.dev/vulnerability/CVE-2021-25352

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-25352/
Summaries are generated and may contain mistakes; the official description above is the record.