Description
A weakness has been identified in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. Executing a manipulation can lead to denial of service. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5aaa09907e7b9e0a326265a5f08d56f54280b5f2. It is advisable to implement a patch to correct this issue.
Affected products
open5gs: open5gs
References8
- github.com/open5gs/open5gs/issues/4224 ExploitIssue TrackingVendor Advisory
- github.com/open5gs/open5gs/issues/4224#issue-3766767406 ExploitIssue TrackingVendor Advisory
- github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008 ExploitIssue TrackingVendor Advisory
- github.com/open5gs/open5gs/commit/5aaa09907e7b9e0a326265a5f08d5… Patch
- github.com/open5gs/open5gs/
- vuldb.com/?ctiid.339341 Permissions RequiredVDB Entry
- vuldb.com/?id.339341 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.728044 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 4.0
-
1.9
LOW
Score source: CNA
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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 - EPSS — exploit probability
- 0% percentile: 14 · as of 11 November 2026
- CWE
- CWE-404
Could this be exploited in your environment?
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