Updated 6 June 2025, 2pm: We’ve disabled Encrypted Client Hello on our network. This means that N4L’s Web Filtering should work as expected for all websites accessed on school networks, allowing or blocking websites according to each school’s Web Filtering settings....
Advisory: vulnerability affecting PHP on Windows (CVE-2024-4577)
We’re aware of a vulnerability impacting Windows users. CVE-2024-4577 is a remote code execution (RCE) flaw in the PHP-CGI implementation of PHP on Windows. Successful exploitation enables unauthenticated attackers to execute arbitrary code and can lead to complete...
FortiClient Remote Access vulnerability
We’re aware of a Cleartext Storage of Sensitive Information vulnerability impacting FortiClient, a remote access solution used by some schools. The vulnerability impacts users on Windows and Linux devices that have updated FortiClient to version 7 (full list of...
Phishing email scam circulating in some schools
We’re aware of a phishing scam circulating via email in some schools. You can see an example of what this email looks like below. The phishing email is crafted to appear legitimate, being sent from legitimate email addresses of schools and other New Zealand...
Authentication bypass vulnerability impacting FortiOS and FortiProxy (CVE-2024-55591)
We’re aware of an authentication bypass vulnerability affecting ForitOS and FortiProxy. Attackers are exploiting this vulnerability by sending a specially crafted request to the administrative interface of firewalls. All N4L-managed firewall administrative interfaces...
Apache Struts critical vulnerability (CVE-2024-53677)
We’re aware of a critical vulnerability in Apache Struts 2, which is an open-source model-view-controller (MVC) framework for creating Java web applications. This is an 'Unrestricted Upload of File with Dangerous Type' vulnerability (CVSSv4 score of 9.5) that exists...
Remote code execution affecting IPv6 in Windows products (CVE-2024-38063, Severity – CRITICAL)
N4L is aware that Windows 10, Windows 11 and Windows servers are currently being impacted by a critical vulnerability. This vulnerability affects IPv6 and devices which have IPv6 enabled on them.The vulnerability could allow an unauthenticated malicious actor to send...
Advisory: XZ Utils vulnerability (CVE-2024-3094)
We’re aware of a critical vulnerability impacting XZ Utils, where malicious code was inserted into a library that could allow for remote code execution via Secure Shell Protocol (SSH). XZ is a general-purpose data compression format present in nearly every Linux...