What is the severity of CVE-2020-1055?

CVE-2020-1055 is rated as critical due to its potential for exploitation via cross-site scripting.

How do I fix CVE-2020-1055?

To fix CVE-2020-1055, apply the latest security updates provided by Microsoft for the affected versions.

Which systems are vulnerable to CVE-2020-1055?

CVE-2020-1055 affects specific versions of Microsoft Windows 10 and Windows Server including 1809, 1903, and 1909.

What are the potential impacts of CVE-2020-1055?

Exploitation of CVE-2020-1055 could allow an attacker to execute scripts in the context of a user's session.

How can I determine if I am affected by CVE-2020-1055?

Check your system for any of the vulnerable versions of Microsoft Windows and ensure that your ADFS is updated.

Vulnerability/
CVE-2020-1055

medium

6.1

CWE

21/5/2020

28/2/2025

CVE-2020-1055: XSS

First published: Thu May 21 2020(Updated: )

A cross-site-scripting (XSS) vulnerability exists when Active Directory Federation Services (ADFS) does not properly sanitize user inputs, aka 'Microsoft Active Directory Federation Services Cross-Site Scripting Vulnerability'.

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows 10	=1809
Microsoft Windows 10	=1903
Microsoft Windows 10	=1909
Microsoft Windows Server 2016	=1903
Microsoft Windows Server 2016	=1909
Microsoft Windows Server 2019
	=1809
	=1903
	=1909
	=1903
	=1909

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1055

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1055

Frequently Asked Questions

What is the severity of CVE-2020-1055?
CVE-2020-1055 is rated as critical due to its potential for exploitation via cross-site scripting.
How do I fix CVE-2020-1055?
To fix CVE-2020-1055, apply the latest security updates provided by Microsoft for the affected versions.
Which systems are vulnerable to CVE-2020-1055?
CVE-2020-1055 affects specific versions of Microsoft Windows 10 and Windows Server including 1809, 1903, and 1909.
What are the potential impacts of CVE-2020-1055?
Exploitation of CVE-2020-1055 could allow an attacker to execute scripts in the context of a user's session.
How can I determine if I am affected by CVE-2020-1055?
Check your system for any of the vulnerable versions of Microsoft Windows and ensure that your ADFS is updated.

agent/type
collector/nvd-index
agent/software-canonical-lookup-request
agent/author
agent/weakness
agent/references
agent/remedy
agent/description
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/source
agent/softwarecombine
agent/tags
agent/event
collector/nvd-api
source/NVD
agent/software-canonical-lookup
vendor/microsoft
canonical/microsoft windows 10
version/microsoft windows 10/1809
version/microsoft windows 10/1903
version/microsoft windows 10/1909
canonical/microsoft windows server 2016
version/microsoft windows server 2016/1903
version/microsoft windows server 2016/1909
canonical/microsoft windows server 2019

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Contact

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Frequently Asked Questions

What is the severity of CVE-2020-1055?
CVE-2020-1055 is rated as critical due to its potential for exploitation via cross-site scripting.
How do I fix CVE-2020-1055?
To fix CVE-2020-1055, apply the latest security updates provided by Microsoft for the affected versions.
Which systems are vulnerable to CVE-2020-1055?
CVE-2020-1055 affects specific versions of Microsoft Windows 10 and Windows Server including 1809, 1903, and 1909.
What are the potential impacts of CVE-2020-1055?
Exploitation of CVE-2020-1055 could allow an attacker to execute scripts in the context of a user's session.
How can I determine if I am affected by CVE-2020-1055?
Check your system for any of the vulnerable versions of Microsoft Windows and ensure that your ADFS is updated.