Last year, we discovered a vulnerability in iOS that causes connections to bypass VPN encryption. This is a bug in iOS that impacts all VPNs. We have informed Apple, and we are now sharing details so you can stay safe.


Hey @protonvpn, does this issue only affect IKEv2 VPN configurations or also OpenVPN and WireGuard (when both aren’t set to “always-on”)?

Also, do you know if this additionally impacts iOS 13.4 that was just released?

@protonvpn forgot to mention, awesome work discovering and reporting this!

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