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  1. Jun 4, 2024 · TunnelVision, or to give it its formal CVE (Common Vulnerabilities and Exposures) designation CVE-2024-3661, is a method for spying on traffic outside of the encrypted VPN tunnel. In certain circumstances, it could mean that a VPN user’s device could show they’re connected to the VPN service.

  2. Jun 10, 2024 · On May 6th, a researcher at Leviathan Security uncovered a critical Virtual Private Network (VPN) described as a “decloaking method” called TunnelVision (CVE-2024-3661) that can redirect routing-based Virtual Private VPNs by sending data outside of the tunnel.

  3. Jun 3, 2024 · A novel attack called TunnelVision has been discovered. It compromises the security of virtually all VPN apps, rendering their purpose useless. The attack manipulates the DHCP server to divert VPN traffic to the attacker, allowing them to read, drop, or modify the traffic.

  4. Jun 11, 2024 · This rerouting diverts traffic outside the secure VPN tunnel. Here’s the critical part: TunnelVision requires a particular set of conditions to be carried out. Executing a TunnelVision attack isn’t a walk in the park for a hacker either and can’t be achieved remotely.

  5. Jun 14, 2024 · I tried replicating a TunnelVision attack using Kaspersky and got a selective denial-of-service. I presume that as long as full-tunnel mode is used, no traffic is permitted outside of the tunnel.

  6. Jun 10, 2024 · We asked our panelists at the Line 5 Tunnel Vision event to provide written answers to your questions submitted in the online comments during the event and they graciously said they’d be happy to oblige.

  7. Jun 5, 2024 · Dubbed TunnelVision by the eggheads at Leviathan Security Group who uncovered and documented it, the technique (CVE-2024-3661) can result in a VPN user believing their connection is properly secured, and being routed through an encrypted tunnel as usual, while an attacker on their network has instead redirected t...