# CVE-2025-5935: Open5GS AMF/MME emm-sm.c common_register_state denial of service

> Remote attackers can cause a denial of service in Open5GS AMF/MME by manipulating the ran_ue_id argument in the common_register_state function.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Jun 2025
- **Updated:** 10 Jun 2025
- **Also known as:** GHSA-3x7c-c6rj-mhq6

## What is CVE-2025-5935?

CVE-2025-5935 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 10 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in Open5GS up to 2.7.3. It has been declared as problematic. Affected by this vulnerability is the function common_register_state of the file src/mme/emm-sm.c of the component AMF/MME. The manipulation of the argument ran_ue_id leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5. It is recommended to apply a patch to fix this issue.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2025-5935?

It affects 1 product.


Products: Open5gs Open5gs.

## How do I fix CVE-2025-5935?

No fix has been published for CVE-2025-5935 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-5935 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5935 exists.

## Other vulnerabilities in Open5gs Open5gs

- [CVE-2024-40130](https://insights.sbomify.com/CVE-2024-40130/): Memory corruption in n/a (critical 9.8)
- [CVE-2021-28122](https://insights.sbomify.com/CVE-2021-28122/): Missing authorization in n/a (critical 9.8)
- [CVE-2021-25863](https://insights.sbomify.com/CVE-2021-25863/): Hardcoded credentials in n/a (high 8.8)
- [CVE-2025-41067](https://insights.sbomify.com/CVE-2025-41067/): Reachable Assertion vulnerability in Open5GS (high 8.7)
- [CVE-2025-41068](https://insights.sbomify.com/CVE-2025-41068/): Reachable Assertion vulnerability in Open5GS (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5935 and fix it if it is affected.

What it is: CVE-2025-5935 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 10 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5935 exists.

Affected product: Open5gs Open5gs. 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-2025-5935/ (Markdown: https://insights.sbomify.com/CVE-2025-5935/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5935
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5935
- OSV: https://osv.dev/vulnerability/CVE-2025-5935

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-5935/
Summaries are generated and may contain mistakes; the official description above is the record.