OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection.
Priority HIGH 72CWE-294Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-294.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openairinterface:oai-cn5g-amf:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Openairinterface |
- cpe:2.3:a:openairinterface:oai-cn5g-amf:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Openairinterface
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-30080
- 2026-10-03 Alias added: GHSA-ppqh-5vmg-4xr4
References
More Openairinterface Oai-cn5g-amf vulnerabilities
- TI-2026-23444 OpenAirInterface V2.2.0 AMF crashes when it receives an NGAP message with invalid… CVSS 3.1HIGH 7.5
- TI-2026-23442 OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing… CVSS 3.1HIGH 7.5
- TI-2025-41054 OpenAirInterface CN5G AMF<=v2.0.1 There is a logical error when processing JSON format… CVSS 3.1HIGH 7.5
- TI-2025-40453 OpenAirInterface CN5G AMF<=v2.1.9 has a buffer overflow vulnerability in processing NAS… CVSS 3.1HIGH 7.5
- TI-2026-23445 In OpenAirInterface V2.2.0 AMF, Out of sequence messages causes incorrect state… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-30080 · CVE Program
- CVE-2026-30080 · NVD
- FIRST EPSS
- GHSA-ppqh-5vmg-4xr4 · GitHub Advisory Database · CC BY 4.0
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