CVE-2026-33907

MEDIUM

6.5

Description

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.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

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

Vecteur d'attaqueADJACENT_NETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/27/2026

Derniere modification3/30/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-476

References

https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273(security-advisories@github.com)

https://github.com/ellanetworks/core/releases/tag/v1.7.0(security-advisories@github.com)

https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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