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atlassianSecurity-metrics-botCONFSERVER-66550
HistoryJul 08, 2021 - 11:44 a.m.

Local Privilege Escalation via DLL hijack - CVE-2021-43940

2021-07-0811:44:51
security-metrics-bot
jira.atlassian.com
29
atlassian confluence
dll hijack
local privilege escalation

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

24.8%

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.

Affected versions:

  • version < 7.4.10
  • 7.5.0 ≀ version < 7.12.3

Fixed versions:

  • 7.4.10
  • 7.12.3
  • 7.13.0

Affected configurations

Vulners
Node
atlassianconfluence_data_centerRange≀7.10.0
OR
atlassianconfluence_data_centerRange<7.4.10
OR
atlassianconfluence_data_centerRange<7.12.3
OR
atlassianconfluence_data_centerRange<7.13.0
VendorProductVersionCPE
atlassianconfluence_data_center*cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

24.8%

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