CVE-2025-15687

A security flaw has been discovered in Open5GS up to 2.7.6. Impacted is the function smf_gx_cca_cb of the component SMF Diameter Gx Credit-Control-Answer Handler. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.7.7 is recommended to address this issue. The patch is identified as f23d7a5e959acd8f37b925dc29b85f26b7d391cb. Upgrading the affected component is advised.

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/commit/f23d7a5e959acd8f37b925dc29b85f26b7d391cb
https://github.com/open5gs/open5gs/issues/4027
https://github.com/open5gs/open5gs/pull/4034
https://github.com/open5gs/open5gs/releases/tag/v2.7.7
https://github.com/user-attachments/files/21515527/SMF.crashes.zip
https://vuldb.com/cve/CVE-2025-15687
https://vuldb.com/submit/867119
https://vuldb.com/vuln/387283
https://vuldb.com/vuln/387283/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-12 04:17

Updated : 2026-08-12 20:59

NVD link : CVE-2025-15687

Mitre link : CVE-2025-15687

CVE.ORG link : CVE-2025-15687

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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Impacted is the function smf_gx_cca_cb of the component SMF Diameter Gx Credit-Control-Answer Handler. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.7.7 is recommended to address this issue. The patch is identified as f23d7a5e959acd8f37b925dc29b85f26b7d391cb. Upgrading the affected component is advised."}], "lastModified": "2026-08-12T20:59:21.023", "sourceIdentifier": "cna@vuldb.com"}