# CVE-2013-4764: Missing authorization in n/a

> Unprivileged apps can send arbitrary SMS messages due to an unprotected component in Samsung Galaxy devices.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/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:** 27 Dec 2019
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-6gpq-3wvx-gvq3

## What is CVE-2013-4764?

CVE-2013-4764 is a medium-severity missing authorization vulnerability in n/a, published on 27 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Samsung Galaxy S3/S4 exposes an unprotected component allowing an unprivileged app to send arbitrary SMS texts to arbitrary destinations without permission.

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2013-4764?

It affects 2 products.


Products: Samsung Galaxy S3 Firmware, Samsung Galaxy S4 Firmware.

## How do I fix CVE-2013-4764?

No fix has been published for CVE-2013-4764 yet. Limit exposure of the affected software until one is available.

## Is CVE-2013-4764 being exploited?

There is no known exploitation of CVE-2013-4764 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2013-4763](https://insights.sbomify.com/CVE-2013-4763/): Missing authorization in n/a (medium 4.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-4764 and fix it if it is affected.

What it is: CVE-2013-4764 is a medium-severity missing authorization vulnerability in n/a, published on 27 Dec 2019. 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-2013-4764 in the wild and no public exploit code.

Affected product: n/a. 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-2013-4764/ (Markdown: https://insights.sbomify.com/CVE-2013-4764/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-4764
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-4764
- OSV: https://osv.dev/vulnerability/CVE-2013-4764

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From sbomify Insights: https://insights.sbomify.com/CVE-2013-4764/
Summaries are generated and may contain mistakes; the official description above is the record.