CVEvulnerability
CVE-2026-1973
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.5 MEDIUM — 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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404, CWE-476
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.
Affected configurations
• free5gc free5gc (<= 4.1.0)
Related
References
- https://github.com/free5gc/free5gc/ Product
- https://github.com/free5gc/free5gc/issues/815 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/free5gc/free5gc/issues/815#issue-3832032062 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/free5gc/smf/pull/189 Issue Tracking
- https://vuldb.com/?ctiid.344495 Permissions Required, VDB Entry
- https://vuldb.com/?id.344495 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.743236 Exploit, Third Party Advisory, VDB Entry