Description
In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp
Scores
CVSS v3
8.6
EPSS
0.0037
EPSS Percentile
29.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
open5gs/open5gs
< 2.7.7
Published
Jul 14, 2026
Tracked Since
Jul 15, 2026