Vulnerability in Open5gs

CVE-2023-4883

Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-4883: held from 0.005 to 0.006.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

  • Open5gs — versions 2.4.10 and prior

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-4883?
CVE-2023-4883 is a high-severity vulnerability in Open5gs, classified under Release of Invalid Pointer or Reference. CVSS score: 7.5/10. Published 2023-10-03.
How severe is CVE-2023-4883?
High severity. CVSS v3 base score is 7.5 out of 10.