# CVE-2021-25505: Auth bypass in Samsung Pass

> Attackers can access Samsung Pass data without authentication when the device lockscreen is unlocked, bypassing intended security controls.

- **Severity:** Low 3.3 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-gcrm-c3xx-36g5

## What is CVE-2021-25505?

CVE-2021-25505 is a low-severity authentication bypass vulnerability in Samsung Pass, published on 5 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Improper authentication in Samsung Pass prior to 3.0.02.4 allows to use app without authentication when lockscreen is unlocked.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2021-25505?

It affects 1 product.


Products: Samsung Samsung Pass.

## How do I fix CVE-2021-25505?

No fix has been published for CVE-2021-25505 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-25505 being exploited?

There is no known exploitation of CVE-2021-25505 in the wild and no public exploit code.

## Other vulnerabilities in Samsung Pass

- [CVE-2022-30730](https://insights.sbomify.com/CVE-2022-30730/): Missing authorization in Samsung Pass (medium 4.6)
- [CVE-2022-27841](https://insights.sbomify.com/CVE-2022-27841/): Auth bypass in Samsung Pass (medium 4.3)
- [CVE-2022-36851](https://insights.sbomify.com/CVE-2022-36851/): Improper access control vulnerability in Samsung pass prior to version 4.0.03.1 allow physical attackers to access data of Samsung pass on a (low 3.9)
- [CVE-2022-36876](https://insights.sbomify.com/CVE-2022-36876/): Missing authorization in Samsung Pass (low 1.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-25505 and fix it if it is affected.

What it is: CVE-2021-25505 is a low-severity authentication bypass vulnerability in Samsung Pass, published on 5 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-25505 in the wild and no public exploit code.

Affected product: Samsung Pass. 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-2021-25505/ (Markdown: https://insights.sbomify.com/CVE-2021-25505/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-25505
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-25505
- OSV: https://osv.dev/vulnerability/CVE-2021-25505

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-25505/
Summaries are generated and may contain mistakes; the official description above is the record.