CWE
327
Advisory Published
Updated

CVE-2020-1596: TLS Information Disclosure Vulnerability

First published: Fri Sep 11 2020(Updated: )

<p>A information disclosure vulnerability exists when TLS components use weak hash algorithms. An attacker who successfully exploited this vulnerability could obtain information to further compromise a users's encrypted transmission channel.</p> <p>To exploit the vulnerability, an attacker would have to conduct a man-in-the-middle attack.</p> <p>The update addresses the vulnerability by correcting how TLS components use hash algorithms.</p>

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Windows 10
Windows 10
Windows 10=1607
Windows 10=1607
Windows 10=1709
Windows 10=1803
Windows 10=1809
Windows 10=1903
Windows 10=1909
Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows
Microsoft Windows
Microsoft Windows RT
Microsoft Windows Server=sp2
Microsoft Windows Server=sp2
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019

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Frequently Asked Questions

  • What is the severity of CVE-2020-1596?

    CVE-2020-1596 has a medium severity rating due to its potential for information disclosure via weak hash algorithms in TLS components.

  • How do I fix CVE-2020-1596?

    To fix CVE-2020-1596, apply the latest updates and security patches provided by Microsoft for your affected Windows version.

  • Which systems are affected by CVE-2020-1596?

    CVE-2020-1596 impacts multiple Microsoft Windows versions including Windows 7, 8.1, 10, and various editions of Windows Server.

  • What type of vulnerability is CVE-2020-1596?

    CVE-2020-1596 is an information disclosure vulnerability related to the use of weak hash algorithms in TLS components.

  • What can an attacker do if they exploit CVE-2020-1596?

    An attacker who exploits CVE-2020-1596 could potentially obtain sensitive information that may allow them to compromise an encrypted transmission channel.

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