CVE-2021-43940
First published: Tue 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.
Credit: security@atlassian.com security@atlassian.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | ||
| All of | ||
| Microsoft Windows | ||
| Any of | ||
| 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 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-43940.
What is the severity of CVE-2021-43940?
The severity of CVE-2021-43940 is high with a CVSS score of 7.8.
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.
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.
Is Microsoft Windows affected by this vulnerability?
No, Microsoft Windows is not affected by this vulnerability.
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