DLL Hijacking Vulnerability in Atlassian Confluence Server and Data Center
CVE-2021-43940

7.8HIGH

Key Information:

Vendor

Atlassian
Status
Confluence Server
Confluence Data Center
Vendor
CVE Published:
15 February 2022

What is CVE-2021-43940?

A security issue exists in Atlassian Confluence Server and Data Center on Windows that permits authenticated local attackers to escalate privileges via a DLL Hijacking vulnerability within the installer. This flaw primarily affects installations of Confluence prior to version 7.4.10 and between versions 7.5.0 and 7.12.3. Attackers can leverage this vulnerability to manipulate DLL files, gaining unauthorized access and control over the system.

Affected Version(s)

Confluence Data Center < 7.4.10

Confluence Data Center 7.5.0

Confluence Data Center < 7.12.3

References

https://jira.atlassian.com/browse/CONFSERVER-66550
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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