CVE-2021-43940

HIGH

Atlassian Confluence <7.4.10 & <7.12.3 - Privilege Escalation

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://jira.atlassian.com/browse/CONFSERVER-66550

Scores

CVSS v3 7.8
EPSS 0.0015
EPSS Percentile 35.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-427
Status published
Products (2)
atlassian/confluence_data_center < 7.4.10
atlassian/confluence_server < 7.4.10
Published Feb 15, 2022
Tracked Since Feb 18, 2026