CVE-2026-30080

7.5 highEPSS 0.3%

High (7.5) in openairinterface oai-cn5g-amf. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)
CWE: CWE-294
Published: 2026-04-08
Modified: 2026-07-25
Record from: the NVD, synced 2026-10-19

Affected

openairinterface:oai-cn5g-amf

References

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

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