CVE-2026-33907
Ella Core Panics during NAS Authentication Response/Failure with missing IEs
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
7th
Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.7.0 added IE presence verification to NAS message handling.
| CWE | CWE-476 |
| Vendor | ellanetworks |
| Product | core |
| Published | Mar 27, 2026 |
| Last Updated | Mar 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ellanetworks / core
< 1.7.0