CVE-2026-1973

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-06 02:16

Updated : 2026-02-09 15:48

NVD link : CVE-2026-1973

Mitre link : CVE-2026-1973

CVE.ORG link : CVE-2026-1973

JSON object : View

Products Affected

free5gc

free5gc

CWE

CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference

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