CVE-2025-15419

Open5GS GTPv2-C Flow s5c-handler.c sgwc_s5c_handle_create_session_response denial of service

MEDIUM
5.5
CVSS Score
Published: January 2, 2026 at 12:02 AM UTC
Updated: October 14, 2026 at 07:10 PM UTC
1 product affected across 1 vendorOpen5GS

Using Open5GS by N/A?

Get instant alerts when new vulnerabilities affect Open5GS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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 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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.339341
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.339341
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.728044
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4224
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008
ExploitIssue TrackingVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4224#issue-3766767406
Product
Source: cverecord
https://github.com/open5gs/open5gs/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card