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6.3

Open5GS AMF Service may crash on local host

CVE-2025-6952 · published 1 year ago
Summary

The AMF part of Open5GS (up to version 2.7.5) contains a coding error that can cause the service to stop unexpectedly when triggered from the same machine. This could interrupt mobile core functions for users relying on that server. Installing the latest patch from the Open5GS project resolves the issue.

What to do
  • Update open5gs open5gs to version 2.7.6 or later.
Affected software
VendorProductAffected versions
open5gs open5gs < 2.7.6
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Original advisory text
Open5GS AMF Service amf-sm.c amf_state_operational assertion
A vulnerability, which was classified as problematic, has been found in Open5GS up to 2.7.5. This issue affects the function amf_state_operational of the file src/amf/amf-sm.c of the component AMF Service. The manipulation leads to reachable assertion. It is possible to launch the attack on the local host. The identifier of the patch is 53e9e059ed96b940f7ddcd9a2b68cb512524d5db. It is recommended to apply a patch to fix this issue.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-617Reachable Assertion
Timeline
Published1 Jul 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-6952 · NVD
CVE-2025-6952 · OSV
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