CVE-2021-43940: High severity microsoft windows operating system vulnerability

Published Feb 15, 2022
·
Updated

Affected versions of Atlassian Confluence Server and Data Center allow authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the Confluence installer. This vulnerability only affects installations of Confluence Server and Data Center on Windows. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.

Affected Software

10 affected components
All of the following
Microsoft Windows
Any of the following
Atlassian Confluence Data Center<7.4.10
Atlassian Confluence Data Center>=7.5.0<7.12.3
Atlassian Confluence Server<7.4.10
Atlassian Confluence Server>=7.5.0<7.12.3
Atlassian Confluence Data Center<7.4.10
Atlassian Confluence Data Center>=7.5.0<7.12.3
Atlassian Confluence Server<7.4.10
Atlassian Confluence Server>=7.5.0<7.12.3
Microsoft Windows

Event History

Feb 15, 2022
CVE Published
via MITRE·03:15 AM
Data Sourced
via MITRE·03:15 AM
DescriptionWeakness

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2021-43940.

2

What is the severity of CVE-2021-43940?

The severity of CVE-2021-43940 is high with a CVSS score of 7.8.

3

What is the affected software?

The affected software includes Atlassian Confluence Server and Data Center versions up to 7.4.10, and versions between 7.5.0 and 7.12.3.

4

How does this vulnerability impact the local system?

This vulnerability allows authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the Confluence installer.

5

Is Microsoft Windows affected by this vulnerability?

No, Microsoft Windows is not affected by this vulnerability.

Contact

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