CVE-2021-26084 Information

Description

In affected versions of Confluence Server and Data Center an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23 from version 6.14.0 before 7.4.11 from version 7.5.0 before 7.11.6 and from version 7.12.0 before 7.12.5.

CVSS Vector

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

Reference

https://jira.atlassian.com/browse/CONFSERVER-67940

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8