# CVE-2023-48257: Auth bypass in Nexo cordless nutrunner NXA011S-36V (0608842011)

> Attackers can bypass authentication to access sensitive data or achieve root-level remote code execution on Bosch Rexroth cordless nutrunners.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 10 Jan 2024
- **Updated:** 17 Jun 2025
- **Also known as:** GHSA-vw9v-5h73-96pw

## What is CVE-2023-48257?

CVE-2023-48257 is a high-severity authentication bypass vulnerability in Rexroth Nexo cordless nutrunner NXA011S-36V (0608842011), published on 10 Jan 2024. 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

The vulnerability allows a remote attacker to access sensitive data inside exported packages or obtain up to Remote Code Execution (RCE) with root privileges on the device. The vulnerability can be exploited directly by authenticated users, via crafted HTTP requests, or indirectly by unauthenticated users, by accessing already-exported backup packages, or crafting an import package and inducing an authenticated victim into sending the HTTP upload request.

Weakness: CWE-287 (Improper Authentication), CWE-1391 (Use of Weak Credentials)

## Which versions are affected by CVE-2023-48257?

It affects 1 product.


Products: Bosch Nexo-Os.

## How do I fix CVE-2023-48257?

No fix has been published for CVE-2023-48257 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-48257 being exploited?

There is no known exploitation of CVE-2023-48257 in the wild and no public exploit code.

## Other vulnerabilities in Rexroth Nexo cordless nutrunner NXA011S-36V (0608842011)

- [CVE-2023-48252](https://insights.sbomify.com/CVE-2023-48252/): Missing authorization in Nexo cordless nutrunner NXA011S-36V (0608842011) (high 8.8)
- [CVE-2023-48253](https://insights.sbomify.com/CVE-2023-48253/): SQL injection in Nexo cordless nutrunner NXA011S-36V (0608842011) (high 8.8)
- [CVE-2023-48243](https://insights.sbomify.com/CVE-2023-48243/): Path traversal in Nexo cordless nutrunner NXA011S-36V (0608842011) (high 8.1)
- [CVE-2023-48250](https://insights.sbomify.com/CVE-2023-48250/): Hardcoded credentials in Nexo cordless nutrunner NXA011S-36V (0608842011) (high 8.1)
- [CVE-2023-48251](https://insights.sbomify.com/CVE-2023-48251/): Hardcoded credentials in Nexo cordless nutrunner NXA011S-36V (0608842011) (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-48257 and fix it if it is affected.

What it is: CVE-2023-48257 is a high-severity authentication bypass vulnerability in Rexroth Nexo cordless nutrunner NXA011S-36V (0608842011), published on 10 Jan 2024. 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-2023-48257 in the wild and no public exploit code.

Affected product: Rexroth Nexo cordless nutrunner NXA011S-36V (0608842011). 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-2023-48257/ (Markdown: https://insights.sbomify.com/CVE-2023-48257/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-48257
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-48257
- OSV: https://osv.dev/vulnerability/CVE-2023-48257

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-48257/
Summaries are generated and may contain mistakes; the official description above is the record.