En resumen
- CVE-2026-33283 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a github.com/ellanetworks/core, ella core (ellanetworks).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.38%, mayor que el 32.0% de las vulnerabilidades.
- Solución: actualizar a 1.6.0 o posterior.
Description
Summary
Ella Core panics when processing malformed UL NAS Transport NAS messages without a Request Type.
Impact
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.
Fix
Add a guard when receiving an UL NAS Message without a Request Type given no SM Context.
NVD description
Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. 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 1.6.0 adds a guard when receiving an UL NAS Message without a Request Type given no SM Context.
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