Multiple ransomware groups have begun to actively exploit recently disclosed flaws in Atlassian Confluence and Apache ActiveMQ. Cybersecurity firm Rapid7saidit observed the exploitation ofCVE-2023-22518andCVE-2023-22515in multiple customer environments, some of which have been leveraged for the deployment ofCerber(akaC3RB3R) ransomware. Both vulnerabilities are critical, allowing threat