Is CVE-2026-33907 actively exploited?

No active exploitation of CVE-2026-33907 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33907 be exploited remotely?

Partially. CVE-2026-33907 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-33907?

CVE-2026-33907 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-33907

CWE-476Published: March 27, 2026· Updated: Mar 30, 2026

6.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.4th

Official 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.

NVD Source

Technical Analysis

CVE-2026-33907 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.