CVE-2021-27052: Microsoft SharePoint Server Information Disclosure Vulnerability

Published Mar 9, 2021
·
Updated

Microsoft SharePoint Server Information Disclosure Vulnerability

Affected Software

4 affected componentsFixes available
Microsoft SharePoint Enterprise Server=2016
Microsoft SharePoint Server=2019
Microsoft SharePoint Enterprise Server 2016<16.0.5134.1000
16.0.5134.1000
Microsoft SharePoint Server 2019<16.0.10372.20000
16.0.10372.20000

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.5134.1000Patch KB4493232
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.10372.20000Patch KB4493230

Event History

Mar 9, 2021
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·04:00 PM
Affected Software
Updated
via Microsoft·04:00 PM
Description
Mar 11, 2021
CVE Published
via MITRE·03:46 PM
Data Sourced
via MITRE·03:46 PM
DescriptionSeverity
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2021-27052?

CVE-2021-27052 is a vulnerability in Microsoft SharePoint Server that allows for information disclosure.

2

How severe is CVE-2021-27052?

CVE-2021-27052 has a severity score of 6.5, which is considered medium severity.

3

Which versions of SharePoint Server are affected by CVE-2021-27052?

CVE-2021-27052 affects Microsoft SharePoint Enterprise Server 2016 and Microsoft SharePoint Server 2019.

4

How can I fix CVE-2021-27052?

To fix CVE-2021-27052, apply the latest security updates provided by Microsoft.

5

Where can I find more information about CVE-2021-27052?

You can find more information about CVE-2021-27052 at the Microsoft Security Guidance Advisory page: <https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27052>

Contact

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