CVE-2026-33907

MEDIUM
2026-03-26 https://github.com/ellanetworks/core
6.5
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 26, 2026 - 22:16 vuln.today
Patch Released
Mar 26, 2026 - 22:16 nvd
Patch available
CVE Published
Mar 26, 2026 - 22:15 nvd
MEDIUM 6.5

Tags

Denial Of Service Null Pointer Dereference

Description

## Summary Ella Core panics when processing Authentication Response and Authentication Failure NAS message missing IEs. ## 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 Added IE presence verification to NAS message handling.

Analysis

Ella Core crashes when processing NAS Authentication Response and Authentication Failure messages with missing Information Elements, enabling unauthenticated attackers on the adjacent network to trigger denial of service affecting all connected subscribers. The vulnerability stems from a null pointer dereference in message handling logic (CWE-476) and carries a CVSS 6.5 score reflecting high availability impact with low attack complexity. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

Share

CVE-2026-33907 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy