CVE-2026-32320 MEDIUM

CVE-2026-32320: Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings

Vendor Ellanetworks
Product core
Weakness CWE-125
Published March 12, 2026
Last update March 14, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 12, 2026 CVE published
March 14, 2026 Record updated