# CVE-2023-4169: Ruijie RG-EW1200G Administrator Password set_passwd access control

> Remote attackers can bypass access controls on the administrator password handler to change credentials and gain full control of the router.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Aug 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-4mvq-g24w-q4w9

## What is CVE-2023-4169?

CVE-2023-4169 is a medium-severity missing authorization vulnerability in Ruijie RG-EW1200G, published on 5 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Ruijie RG-EW1200G 1.0(1)B1P5. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /api/sys/set_passwd of the component Administrator Password Handler. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-236185 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2023-4169?

It affects 1 product.


Products: Ruijie Rg-Ew1200g Firmware.

## How do I fix CVE-2023-4169?

No fix has been published for CVE-2023-4169 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4169 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4169 exists.

Public exploit code:

- Ruijie-RG-EW1200G CVE-2023-4169_CVE-2023-3306_CVE-2023-4415 (github_poc): https://github.com/thedarknessdied/CVE-2023-4169_CVE-2023-3306_CVE-2023-4415
- Ruijie RG-EW1200G Router - Password Reset (nuclei): http/cves/2023/CVE-2023-4169.yaml

## Other vulnerabilities in Ruijie RG-EW1200G

- [CVE-2023-3306](https://insights.sbomify.com/CVE-2023-3306/): Ruijie RG-EW1200G Admin Password app.09df2a9e44ab48766f5f.js access control (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4169 and fix it if it is affected.

What it is: CVE-2023-4169 is a medium-severity missing authorization vulnerability in Ruijie RG-EW1200G, published on 5 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4169 exists.

Affected product: Ruijie RG-EW1200G. 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-2023-4169/ (Markdown: https://insights.sbomify.com/CVE-2023-4169/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4169
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4169
- OSV: https://osv.dev/vulnerability/CVE-2023-4169

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4169/
Summaries are generated and may contain mistakes; the official description above is the record.