CVE-2026-1973
Free5GC SMF establishPfcpSession null pointer dereference
MEDIUM 5.5EPSS 0.6%
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
- Free5GC
- CVSS v4.0 VULDB
- 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 v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1 VULDB
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS v2.0 VULDB
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 0.61% chance of exploitation in the next 30 days, 48th percentile
- Published
- 2026-02-06
- Updated
- 2026-02-23
Proof-of-concept exploits (1)
- free5gc/free5gc/issues/815#issue-38320320622358★ · 2026-09-30
Security advisories
- free5gc/free5gc/issues/815
- https://vuldb.com/?id.344495
- https://vuldb.com/?submit.743236
- free5gc/smf/pull/189