CVE-2026-33904

MEDIUM

6.5

Description

Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers. Version 1.7.0 adds deferred Radio cleanup in serveConn SCTP server so that every connection exit path removes the radio. Remove the stale-entry scan from SCTP Notification handling.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/27/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-833

References

https://github.com/ellanetworks/core/commit/999f606c5cae261471d9e3f063d7ecd1bd754076(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-9h59-p45g-445h(security-advisories@github.com)

IOC Correlations

No correlations recorded

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