Massive Zero-Day Hole Found in Palo Alto Security Appliances

UPDATE: Researchers have a working exploit for the vulnerability (now patched), which allows for unauthenticated RCE and affects what Palo Alto clarified is an estimated 10,000 VPN/firewalls.

Researchers have developed a working exploit to gain remote code execution (RCE) via a massive vulnerability in a security appliance from Palo Alto Networks (PAN), potentially leaving 10,000 vulnerable firewalls with their goods exposed to the internet.

The critical zero day, tracked as CVE 2021-3064 and scoring a CVSS rating of 9.8 out of 10 for vulnerability severity, is in PAN’s GlobalProtect firewall. It allows for unauthenticated RCE on multiple versions of PAN-OS 8.1 prior to 8.1.17, on both physical and virtual firewalls.

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Source: ThreatPost