Critical · published May 29, 2020
CVSS calls it critical at 9.1. It is confirmed in active exploitation. It sits in the 99.6th percentile for exploit probability.
🚨 A privileged dashboard user can execute malicious commands through a crafted DHCP static lease — that's a security disaster waiting to happen! 🔥 Imagine you're running a coffee shop, and a trusted employee decides to change the recipe for your best-selling latte without telling you. Suddenly, customers are served a concoction that could ruin your reputation — that's how dangerous this vulnerability is! An attacker with privileged access could run any command on the server, potentially gaining control over the entire network. This means they can read sensitive data, manipulate configurations, or even bring services down—an absolute nightmare for any organization!
Imagine you're running a coffee shop, and a trusted employee decides to change the recipe for your best-selling latte without telling you. Suddenly, customers are served a concoction that could ruin your reputation — that's how dangerous this vulnerability is! CVE-2020-8816 allows remote code execution in Pi-hole Web v4.3.2 by exploiting a flaw in how crafted static leases from the DHCP interface are handled, enabling malicious commands to be injected by users with dashboard privileges.
An attacker with privileged access could run any command on the server, potentially gaining control over the entire network. This means they can read sensitive data, manipulate configurations, or even bring services down—an absolute nightmare for any organization! Immediately upgrade Pi-hole to version 4.3.3 or later to patch this vulnerability. Additionally, review user roles and permissions to ensure that only trusted staff have dashboard access. Regularly audit configurations to detect any unauthorized changes. You've got this! Follow these steps, and you'll fortify your defenses in no time! 🛡️