CVE-2025-15419 | THREATINT

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.

PUBLISHED Reserved 2026-01-01 | Published 2026-01-02 | Updated 2026-02-23 | Assigner VulDB

MEDIUM: 4.8CVSS: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

LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Denial of Service

Timeline

2026-01-01:	Advisory disclosed
2026-01-01:	VulDB entry created
2026-01-06:	VulDB entry last update

Credits

LinZiyu (VulDB User) reporter

LinZiyu (VulDB User) analyst

References

vuldb.com/?id.339341 (VDB-339341 | Open5GS GTPv2-C Flow s5c-handler.c sgwc_s5c_handle_create_session_response denial of service) vdb-entry technical-description

vuldb.com/?ctiid.339341 (VDB-339341 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.728044 (Submit #728044 | Open5GS SGWC v2.7.6 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4224 issue-tracking

github.com/open5gs/open5gs/issues/4224 exploit issue-tracking

github.com/...ommit/5aaa09907e7b9e0a326265a5f08d56f54280b5f2 patch

github.com/open5gs/open5gs/ product

cve.org (CVE-2025-15419)

nvd.nist.gov (CVE-2025-15419)

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