Experts Warn of Ransomware Hackers Exploiting Atlassian and Apache Flaws
Nov 07, 2023
Cyber Threat / Malware
Multiple ransomware groups have begun to actively exploit recently disclosed flaws in Atlassian Confluence and Apache ActiveMQ. Cybersecurity firm Rapid7 said it observed the exploitation of CVE-2023-22518 and CVE-2023-22515 in multiple customer environments, some of which have been leveraged for the deployment of Cerber (aka C3RB3R ) ransomware. Both vulnerabilities are critical, allowing threat actors to create unauthorized Confluence administrator accounts and lead to a loss of confidentiality, integrity, and availability. Atlassian, on November 6, updated its advisory to note that it observed "several active exploits and reports of threat actors using ransomware" and that it is revising the CVSS score of the flaw from 9.1 to 10.0, indicating maximum severity. The escalation, the Australian company said, is due to the change in the scope of the attack. Attack chains involve mass exploitation of vulnerable inte...