CVE-2026-32320
Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. This vulnerability is fixed in 1.5.1.
| CWE | CWE-125 |
| Vendor | ellanetworks |
| Product | core |
| Published | Mar 12, 2026 |
| Last Updated | Mar 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ellanetworks / core
< 1.5.1