CVE-2025-15687
mediumpriority · track · 0EPSS 0.006 · 50 %ileEUEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (31)
External citations — patches, advisories, analysis.
- https://github.com/open5gs/open5gs/cnnvd
- https://github.com/open5gs/open5gs/commit/f23d7a5e959acd8f37b925dc29b85f26b7d391cbcnnvd
- https://github.com/open5gs/open5gs/issues/4027cnnvd
- https://github.com/open5gs/open5gs/pull/4034cnnvd
- https://github.com/open5gs/open5gs/releasesPatchcnnvd
- https://github.com/open5gs/open5gs/releases/tag/v2.7.7cnnvd
- https://github.com/user-attachments/files/21515527/SMF.crashes.zipcnnvd
- https://vuldb.com/cve/CVE-2025-15687cnnvd
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