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.
Fix
Patch, vendor advisory and mitigation references on NVD 4
- https://github.com/open5gs/open5gs/commit/5aaa09907e7b9e0a326265a5f08d56f54280b5f2 Patch
- https://github.com/open5gs/open5gs/issues/4224 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4224#issue-3766767406 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008 Exploit, Issue Tracking, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 1.9 · open5gsNVD modified 2026-10-14 19:10
Affected (CPE criteria) 1
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
References 8
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/5aaa09907e7b9e0a326265a5f08d56f54280b5f2 Patch
- https://github.com/open5gs/open5gs/issues/4224 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4224#issue-3766767406 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008 Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.339341 Permissions Required, VDB Entry
- https://vuldb.com/?id.339341 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.728044 Third Party Advisory, VDB Entry