CVE-2021-43940

HIGH

Atlassian Confluence <7.4.10 & <7.12.3 - Privilege Escalation

Title source: llm

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)

[Issue Tracking, Vendor Advisory] https://jira.atlassian.com/browse/CONFSERVER-66550

Scores

CVSS v3 7.8

EPSS 0.0015

EPSS Percentile 36.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE

CWE-427

Status published

Affected Products (2)

atlassian/confluence_data_center < 7.4.10

atlassian/confluence_server < 7.4.10

Timeline

Published Feb 15, 2022

Tracked Since Feb 18, 2026