CVE-2025-15686

A vulnerability has been found in Open5GS up to 2.7.6. Affected by this issue is the function fd_msg_sess_get of the component HSS Service. Such manipulation of the argument Session-Id leads to denial of service. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project locked and limited conversation to collaborators.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/issues/4190
https://github.com/user-attachments/files/23847497/HSS_ULR_error_poc.pcapng.zip
https://vuldb.com/cve/CVE-2025-15686
https://vuldb.com/submit/867104
https://vuldb.com/vuln/387279
https://vuldb.com/vuln/387279/cti

Configurations

No configuration.

History

29 Sep 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una vulnerabilidad en Open5GS hasta la versión 2.7.6. La función fd_msg_sess_get del componente HSS Service se ve afectada por este problema. Dicha manipulación del argumento Session-Id conduce a una denegación de servicio. El ataque puede ser realizado de forma remota. El exploit ha sido divulgado al público y puede ser utilizado. El proyecto bloqueó y limitó la conversación a los colaboradores.

Information

Published : 2026-08-12 03:16

Updated : 2026-09-29 11:10

NVD link : CVE-2025-15686

Mitre link : CVE-2025-15686

CVE.ORG link : CVE-2025-15686

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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