What is CVE-2023-50019?

CVE-2023-50019 is a medium-severity vulnerability in Open5gs, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.9/10. Published 2024-01-02.

How severe is CVE-2023-50019?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Resource exhaustion in Open5gs

CVE-2023-50019

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.

Published 2024-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Open5gs — versions 2.6.6

Weakness classification (CWE)

References

github.com/open5gs/open5gs/issues/2733 (Exploit, Patch, Issue Tracking, Vendor Advisory)
github.com/open5gs/open5gs/commit/7278714133422cee46c32c7523f81ec2cecad9e2 (Patch)

Frequently asked questions

What is CVE-2023-50019?: CVE-2023-50019 is a medium-severity vulnerability in Open5gs, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.9/10. Published 2024-01-02.
How severe is CVE-2023-50019?: Medium severity. CVSS v3 base score is 5.9 out of 10.