What is the severity of CVE-2020-1023?

CVE-2020-1023 has a severity rating of Critical.

How do I fix CVE-2020-1023?

To fix CVE-2020-1023, users should apply the latest security updates provided by Microsoft for affected versions of SharePoint.

What products are affected by CVE-2020-1023?

CVE-2020-1023 affects Microsoft SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.

What could happen if CVE-2020-1023 is exploited?

If exploited, CVE-2020-1023 could allow an attacker to execute arbitrary code on the affected SharePoint server.

When was CVE-2020-1023 reported?

CVE-2020-1023 was reported in January 2020.

Vulnerability/
CVE-2020-1023

high

8.8

CWE

434

21/5/2020

4/8/2024

CVE-2020-1023: Malicious File Upload

First published: Thu May 21 2020(Updated: )

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1024, CVE-2020-1102.

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft SharePoint Enterprise Server	=2016
Microsoft SharePoint Foundation	=2013-sp1
Microsoft SharePoint Server	=2019

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1023

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1023

Frequently Asked Questions

What is the severity of CVE-2020-1023?
CVE-2020-1023 has a severity rating of Critical.
How do I fix CVE-2020-1023?
To fix CVE-2020-1023, users should apply the latest security updates provided by Microsoft for affected versions of SharePoint.
What products are affected by CVE-2020-1023?
CVE-2020-1023 affects Microsoft SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.
What could happen if CVE-2020-1023 is exploited?
If exploited, CVE-2020-1023 could allow an attacker to execute arbitrary code on the affected SharePoint server.
When was CVE-2020-1023 reported?
CVE-2020-1023 was reported in January 2020.

collector/nvd-index
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/remedy
agent/severity
agent/last-modified-date
agent/references
agent/author
agent/weakness
agent/type
agent/first-publish-date
agent/event
agent/description
agent/tags
agent/source
vendor/microsoft
canonical/microsoft sharepoint enterprise server
version/microsoft sharepoint enterprise server/2016
canonical/microsoft sharepoint foundation
version/microsoft sharepoint foundation/2013-sp1
canonical/microsoft sharepoint server
version/microsoft sharepoint server/2019

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Frequently Asked Questions

What is the severity of CVE-2020-1023?
CVE-2020-1023 has a severity rating of Critical.
How do I fix CVE-2020-1023?
To fix CVE-2020-1023, users should apply the latest security updates provided by Microsoft for affected versions of SharePoint.
What products are affected by CVE-2020-1023?
CVE-2020-1023 affects Microsoft SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.
What could happen if CVE-2020-1023 is exploited?
If exploited, CVE-2020-1023 could allow an attacker to execute arbitrary code on the affected SharePoint server.
When was CVE-2020-1023 reported?
CVE-2020-1023 was reported in January 2020.