CVE-2026-32319CWE-125

Ella Core: Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload

High · published March 12, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
46.1
In the wild
Unconfirmed
What it is

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. 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. This vulnerability is fixed in 1.5.1.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00563 · 46.1th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-03-12T21:33Z
EPSS history
Timeline
  • 12 MAR 21:33Z
    Ella Core: Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload
    cvelistv5