Atlassian.Confluence.CVE-2021-26084.Remote.Code.Execution

Description

This indicates an attack attempt to exploit a Remote Code Execution Vulnerability in Atlassian Confluence.
The vulnerability is due to insufficient input validation while handling a malicious request. A remote attacker may be able to exploit this to execute arbitrary code via a crafted HTTP request.

Outbreak Alert

View the full Outbreak Alert Report

FortiGuard Labs continues to observe attack attempts exploiting the vulnerabilities highlighted in the recent CISA advisory about Russian military cyber actors. These actors are targeting U.S. and global critical infrastructure to conduct espionage, steal data, and compromise or destroy sensitive information.

View the full Outbreak Alert Report

Affected Products

atlassian:confluence prior to 6.13.23
atlassian:confluence 6.14.0 to 7.4.11
atlassian:confluence 7.5.0 to 7.11.6
atlassian:confluence 7.12.0 to 7.12.5
atlassian:data_center prior to 6.13.23
atlassian:data_center 6.14.0 to 7.4.11
atlassian:data_center 7.5.0 to 7.11.6
atlassian:data_center 7.12.0 to 7.12.5

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor
https://jira.atlassian.com/browse/CONFSERVER-67940

References