# CVE-2021-25499: Auth bypass in Galaxy Store

> Attackers can exploit an intent redirection flaw in the Samsung Account SDK to bypass authentication and access protected Galaxy Store content providers.

- **Severity:** High 7.1 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:** 6 Oct 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-2qph-f4rc-vg2c

## What is CVE-2021-25499?

CVE-2021-25499 is a high-severity authentication bypass vulnerability in Samsung Mobile Galaxy Store, published on 6 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Intent redirection vulnerability in SamsungAccountSDKSigninActivity of Galaxy Store prior to version 4.5.32.4 allows attacker to access content provider of Galaxy Store.

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2021-25499?

It affects 1 product.


Products: Samsung Galaxy Store.

## How do I fix CVE-2021-25499?

No fix has been published for CVE-2021-25499 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-25499 being exploited?

There is no known exploitation of CVE-2021-25499 in the wild and no public exploit code.

## Other vulnerabilities in Samsung Mobile Galaxy Store

- [CVE-2023-21433](https://insights.sbomify.com/CVE-2023-21433/): Missing authorization in Galaxy Store (high 7.8)
- [CVE-2022-33708](https://insights.sbomify.com/CVE-2022-33708/): Privilege escalation in Galaxy Store (high 7.8)
- [CVE-2022-33709](https://insights.sbomify.com/CVE-2022-33709/): Improper input validation vulnerability in ApexPackageInstaller in Galaxy Store prior to version 4.5.41.8 allows local attackers to launch a (high 7.8)
- [CVE-2022-33710](https://insights.sbomify.com/CVE-2022-33710/): Privilege escalation in Galaxy Store (high 7.8)
- [CVE-2023-42580](https://insights.sbomify.com/CVE-2023-42580/): Code injection in Galaxy Store (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-25499 and fix it if it is affected.

What it is: CVE-2021-25499 is a high-severity authentication bypass vulnerability in Samsung Mobile Galaxy Store, published on 6 Oct 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-2021-25499 in the wild and no public exploit code.

Affected product: Samsung Mobile Galaxy Store. 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-2021-25499/ (Markdown: https://insights.sbomify.com/CVE-2021-25499/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-25499
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-25499
- OSV: https://osv.dev/vulnerability/CVE-2021-25499

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-25499/
Summaries are generated and may contain mistakes; the official description above is the record.