CVE-2022-38871
Free5gc vulnerable to uncontrolled resource consumption
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
- Record
CVE-2022-38871- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
- Record
CVE-2022-38871- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2022-7382
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
- Record
EUVD-2022-7382- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m74x-fxjh-3qh9
Free5gc vulnerable to uncontrolled resource consumption
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
- Record
GHSA-m74x-fxjh-3qh9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
- Record
CVE-2022-38871- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-m74x-fxjh-3qh9
Free5gc vulnerable to uncontrolled resource consumption
In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.
- Record
GHSA-m74x-fxjh-3qh9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/free5gc/free5gcGo |
before 3.0.5 | 3.0.5 |
github.com/free5gc/free5gcGo |
All versions | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-38871 is a high vulnerability (CVSS 7.5) in Free5gc, published November 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. Fixed in github.com/free5gc/free5gc 3.0.5.