CVE-2026-1973

medium

Description

A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.

References

https://vuldb.com/?id.344495

https://github.com/free5gc/free5gc/issues/815#issue-3832032062

https://vuldb.com/?submit.743236

https://vuldb.com/?ctiid.344495

https://github.com/free5gc/smf/pull/189

https://github.com/free5gc/free5gc/issues/815

https://github.com/free5gc/free5gc/

Details

Source: Mitre, NVD

Published: 2026-02-06

Updated: 2026-02-09

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00047