Your VPN Just Got Pwned: Ivanti Zero-Days are a Catastrophe
Heads up, folks! If your organization runs Ivanti Connect Secure VPN, you’re likely already on the hit list. Multiple critical zero-day vulnerabilities in the platform have been under active exploitation for weeks, allowing attackers to bypass authentication and execute remote code.
Specifically, we’re talking about CVE-2023-46805 (an authentication bypass), CVE-2024-21887 (a command injection), CVE-2024-21888 (a privilege escalation), and CVE-2024-21893 (another server-side request forgery). Mandiant and CISA have confirmed extensive exploitation, with state-sponsored actors like UNC5221 leading the charge[1][2]. These aren’t just theoretical; they’re being chained to establish persistence and siphon data from compromised networks.
This isn’t just another patch Tuesday. These vulnerabilities grant attackers a direct freeway into your internal network, bypassing traditional perimeter defenses. For developers, this means the threat surface isn’t just your code; it’s the infrastructure connecting everything. Security teams need to immediately apply Ivanti’s out-of-band patches, deploy their external Integrity Checker Tool (ICT
