CVE-2025-15687
The manipulation results in denial of service.
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
Description
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 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.36% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Source
- cna@vuldb.com
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.