Description
FlexRIC v2.0.0 uses hardcoded assertions to validate Information Element (IE) counts in decoded E2AP messages. A remote unauthenticated attacker can send a valid E2AP PDU containing an unexpected number of IEs (e.g., an E2setupRequest with extra optional fields) to crash the near-RT RIC (port 36421) or iApp (port 36422) via SIGABRT. The code asserts exact IE counts rather than validating against protocol-specified ranges.
Published: 2026-06-01
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
First Time appeared Mosaic5g
Mosaic5g flexric
Vendors & Products Mosaic5g
Mosaic5g flexric

Mon, 01 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Title Hardcoded Assertion Failure in FlexRIC E2AP Message Validation Leads to Remote Crash
Weaknesses CWE-20

Mon, 01 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Title Hardcoded Assertion Failure in FlexRIC E2AP Message Validation Leads to Remote Crash
Weaknesses CWE-20

Mon, 01 Jun 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-617
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 01 Jun 2026 17:00:00 +0000

Type Values Removed Values Added
Description FlexRIC v2.0.0 uses hardcoded assertions to validate Information Element (IE) counts in decoded E2AP messages. A remote unauthenticated attacker can send a valid E2AP PDU containing an unexpected number of IEs (e.g., an E2setupRequest with extra optional fields) to crash the near-RT RIC (port 36421) or iApp (port 36422) via SIGABRT. The code asserts exact IE counts rather than validating against protocol-specified ranges.
References

Subscriptions

Mosaic5g Flexric
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-01T18:46:02.135Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-37222

cve-icon Vulnrichment

Updated: 2026-06-01T18:45:33.667Z

cve-icon NVD

Status : Deferred

Published: 2026-06-01T17:16:58.527

Modified: 2026-06-01T19:16:32.917

Link: CVE-2026-37222

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-02T20:55:32Z

Weaknesses