Zero-Day Exploitation of Atlassian Confluence
Note: There is currently no available patch or fix for the issue described in this blog post. Volexity strongly recommends that all organizations block external access to their Confluence Server instances immediately until an update is provided by Atlassian. Over the Memorial Day weekend in the United States, Volexity conducted an incident response investigation involving two Internet-facing web servers belonging to one of its customers that were running Atlassian Confluence Server software. The investigation began after suspicious activity was detected on the hosts, which included JSP webshel...
Source: volexity.com