CVE-2021-43940

Severity CVSS v4.0:

Pending analysis

Type:

CWE-427 Uncontrolled Search Path Element

Publication date:

15/02/2022

Last modified:

08/10/2024

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:microsoft:windows:-:::::::*
cpe:2.3:a:atlassian:confluence_data_center::::::::		7.4.10 (excluding)
cpe:2.3:a:atlassian:confluence_data_center::::::::	7.5.0 (including)	7.12.3 (excluding)
cpe:2.3:a:atlassian:confluence_server::::::::		7.4.10 (excluding)
cpe:2.3:a:atlassian:confluence_server::::::::	7.5.0 (including)	7.12.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

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