Description
A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.
Affected products
open5gs: open5gs
References6
- github.com/open5gs/open5gs/issues/4492 ExploitIssue Tracking
- github.com/open5gs/open5gs/issues/4492 ExploitIssue Tracking
- github.com/open5gs/open5gs/ Product
- vuldb.com/submit/800025 Third Party AdvisoryVDB Entry
- vuldb.com/vuln/362339 Third Party AdvisoryVDB Entry
- vuldb.com/vuln/362339/cti Permissions RequiredVDB Entry
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 4.0
-
6.9
MEDIUM
Score source: CNA
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:X/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 - EPSS — exploit probability
- 1% percentile: 51 · as of 14 November 2026
- CWE
- CWE-400CWE-404
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.