Open5GS up to 2.7.6 GTPv2-C Flow src/sgwc/s5c-handler.c sgwc_s5c_handle_create_session_response denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.6 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. The manipulation leads to denial of service.
This vulnerability is documented as CVE-2025-15419. The attack needs to be performed locally. Additionally, an exploit exists.
Applying a patch is the recommended action to fix this issue.
Details
A vulnerability was found in Open5GS up to 2.7.6 and classified as problematic. This issue affects the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-15419. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept.
Applying the patch 5aaa09907e7b9e0a326265a5f08d56f54280b5f2 is able to eliminate this problem. The bugfix is ready for download at github.com.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Name
Version
License
Website
- Product: https://github.com/open5gs/open5gs/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.6
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
Researcher Base Score: 7.5
Researcher Vector: 🔒
NVD Base Score: 5.5
NVD Vector: 🔒
CNA Base Score: 3.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 5aaa09907e7b9e0a326265a5f08d56f54280b5f2
Timeline
01/01/2026 Advisory disclosed01/01/2026 VulDB entry created
01/06/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 4224
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2025-15419 (🔒)
GCVE (CVE): GCVE-0-2025-15419
GCVE (VulDB): GCVE-100-339341
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/01/2026 12:02Updated: 01/06/2026 16:26
Changes: 01/01/2026 12:02 (60), 01/02/2026 02:24 (30), 01/05/2026 06:38 (10), 01/05/2026 06:41 (3), 01/05/2026 08:48 (1), 01/06/2026 16:26 (11)
Complete: 🔍
Submitter: LinZiyu
Committer: LinZiyu
Cache ID: 216:6A2:103
Submit
Accepted
- Submit #728044: Open5GS SGWC v2.7.6 Denial of Service (by LinZiyu)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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