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Date: Thu, 24 Mar 2022 07:46:31 +0100
From: Gabriel Corona <>
Subject: Re: Lack of TLS certification chain validation in ZAP Proxy

On 23/03/2022 22:02, Gabriel Corona wrote:
> ZAP proxy does not verify the certificate chain of the HTTPS servers it 
> connects to. For example, it connects without warning to servers 
> presenting a self-signed certificate, an expired certificate, etc.
> This opens up a browser configured to use ZAP as an intercepting proxy to:
> 1. man-in-the-middle (MITM) attacks;
> 2. DNS rebinding attacks (to HTTPS servers configured as default virtual 
> server).

This is CVE-2022-27820.


Gabriel Corona

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