# CVE-2023-42571: Auth bypass in Find My Mobile

> A physical attacker can remotely unlock a lost Samsung device by resetting the account password via SMS verification in Find My Mobile.

- **Severity:** High 7.6 (`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/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:** 5 Dec 2023
- **Updated:** 2 Dec 2024
- **Also known as:** GHSA-g8j6-372w-jg3p

## What is CVE-2023-42571?

CVE-2023-42571 is a high-severity authentication bypass vulnerability in Samsung Mobile Find My Mobile, published on 5 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Abuse of remote unlock in Find My Mobile prior to version 7.3.13.4 allows physical attacker to unlock the device remotely by resetting the Samsung Account password with SMS verification when user lost the device.

## Which versions are affected by CVE-2023-42571?

It affects 1 product.


Products: Samsung Find My Mobile.

## How do I fix CVE-2023-42571?

No fix has been published for CVE-2023-42571 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-42571 being exploited?

There is no known exploitation of CVE-2023-42571 in the wild and no public exploit code.

## Other vulnerabilities in Samsung Mobile Find My Mobile

- [CVE-2022-33707](https://insights.sbomify.com/CVE-2022-33707/): Information disclosure in FindMyMobile (medium 5.3)
- [CVE-2022-36878](https://insights.sbomify.com/CVE-2022-36878/): Information disclosure in Find My Mobile (low 3.3)
- [CVE-2022-30741](https://insights.sbomify.com/CVE-2022-30741/): Information disclosure in Find My Mobile (low 3.3)
- [CVE-2022-30742](https://insights.sbomify.com/CVE-2022-30742/): Information disclosure in Find My Mobile (low 3.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-42571 and fix it if it is affected.

What it is: CVE-2023-42571 is a high-severity authentication bypass vulnerability in Samsung Mobile Find My Mobile, published on 5 Dec 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-2023-42571 in the wild and no public exploit code.

Affected product: Samsung Mobile Find My Mobile. 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-2023-42571/ (Markdown: https://insights.sbomify.com/CVE-2023-42571/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-42571
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-42571
- OSV: https://osv.dev/vulnerability/CVE-2023-42571

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-42571/
Summaries are generated and may contain mistakes; the official description above is the record.