FlexRIC v2.0.0 trusts the xapp_id field from E42 message payloads without binding it to the sender's SCTP association. The validation function valid_xapp_id() only checks that the value is within the assigned range. A remote unauthenticated attacker can impersonate any xApp by specifying their xapp_id in requests sent to the iApp (port 36422), causing responses to be misrouted to the victim xApp. This can crash the victim xApp, the RIC, or the iApp itself through state inconsistencies in the red-black tree data structure.
Metrics
Affected Vendors & Products
References
History
Mon, 01 Jun 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Remote xApp ID Validation Failure in FlexRIC v2.0.0 | |
| Weaknesses | CWE-20 |
Mon, 01 Jun 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | FlexRIC v2.0.0 trusts the xapp_id field from E42 message payloads without binding it to the sender's SCTP association. The validation function valid_xapp_id() only checks that the value is within the assigned range. A remote unauthenticated attacker can impersonate any xApp by specifying their xapp_id in requests sent to the iApp (port 36422), causing responses to be misrouted to the victim xApp. This can crash the victim xApp, the RIC, or the iApp itself through state inconsistencies in the red-black tree data structure. | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-06-01T17:42:37.890Z
Reserved: 2026-04-06T00:00:00.000Z
Link: CVE-2026-37235
No data.
Status : Received
Published: 2026-06-01T19:16:33.850
Modified: 2026-06-01T19:16:33.850
Link: CVE-2026-37235
No data.
OpenCVE Enrichment
Updated: 2026-06-01T21:00:15Z