CVE-2026-30079

EUVD-2026-19642
In OpenAirInterface V2.2.0 AMF, Out of sequence messages causes incorrect state transition during UE registration procedure. This allows authentication to be bypassed completely. If a SecurityModeComplete message is sent after InitialUERegistration, a registration reject is received followed by a registration accept! This leads the UE to be registered without proper authentication.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
Affected Products (NVD)
VendorProductVersion
openairinterfaceoai-cn5g-amf
2.2.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/77