Vulnerability in Open5gs
CVE-2025-15531
A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. The manipulation leads to reachable assertion. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The issue report is flagged as already-fixed.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (54.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001
Affected products
- Open5gs
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/open5gs/open5gs/issues/4233 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/open5gs/open5gs/issues/4233 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
- github.com/open5gs/open5gs/ (product)
Frequently asked questions
- What is CVE-2025-15531?
- CVE-2025-15531 is a medium-severity vulnerability in Open5gs, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2026-01-17.
- How severe is CVE-2025-15531?
- Medium severity. CVSS v3 base score is 5.3 out of 10.