CVE-2026-30079CRITICAL 9.8EPSS p40.3%

CVE-2026-30079CVE-2026-30079

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.53% probability of exploitation · percentile 40.3% · 2026-06-18T12:00:27Z
Published2026-04-07
Last modified2026-04-14

Underlying weaknesses· 1

CWE-288

References

  1. https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/77

1

TypeTargetConfidenceTier
WeaknessAuthentication Bypass Using an Alternate Path or Channelcwe-2880%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.