Atlassian Confluence Vulnerability Exploited in Crypto Mining Campaigns
Aug 30, 2024
Cryptojacking / Vulnerability
Threat actors are actively exploiting a now-patched, critical security flaw impacting the Atlassian Confluence Data Center and Confluence Server to conduct illicit cryptocurrency mining on susceptible instances. "The attacks involve threat actors that employ methods such as the deployment of shell scripts and XMRig miners, targeting of SSH endpoints, killing competing crypto mining processes, and maintaining persistence via cron jobs," Trend Micro researcher Abdelrahman Esmail said . The security vulnerability exploited is CVE-2023-22527 , a maximum severity bug in older versions of Atlassian Confluence Data Center and Confluence Server that could allow unauthenticated attackers to achieve remote code execution. It was addressed by the Australian software company in mid-January 2024. Trend Micro said it observed a high number of exploitation attempts against the flaw between mid-June and end of July 2024 that leveraged it to drop the XMRig miner on unpatched hosts. At l