CVE-2026-37220

FlexRIC v2.0.0 crashes when an SCTP association is closed before an E2_SETUP_REQUEST is sent. The near-RT RIC assumes a mapping between SCTP association and E2 node always exists in the cleanup path and enforces this via assert(). A remote unauthenticated attacker can crash the near-RT RIC (port 36421) by simply completing an SCTP handshake and immediately disconnecting, without sending any E2AP message.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/MinamiKotor1/oran-security-advisories-zhongnan-luo/blob/main/advisories/CVE-2026-37220.md
https://gitlab.eurecom.fr/mosaic5g/flexric

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-01 15:16

Updated : 2026-07-22 07:10

NVD link : CVE-2026-37220

Mitre link : CVE-2026-37220

CVE.ORG link : CVE-2026-37220

JSON object : View

Products Affected

No product.

CWE

CWE-617

Reachable Assertion

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