CVE-2026-30080

Published: Apr 8, 2026Modified: Jul 25, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. Configuration has supported integrity NIA1 and NIA2. But if an UE sends initial registration request with only security capability IA0, OpenAirInterface accepts and proceeds. This downgrade security context can lead to the possibility of replay attack.

Affected (1)

Products: Openairinterface: Oai Cn5g Amf

Openairinterface

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openairinterface Oai Cn5g Amf	Version 2.2.0

Related CWEs

Authentication Bypass by Capture-replay

A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

References (2)

https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/78

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/78

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.