Atlassian Confluence Flaw Being Used to Deploy Ransomware and Crypto Miners

by | June 18, 2022 | Cyber Attacks

A recently patched critical security flaw in Atlassian Confluence Server and Data Center products is being actively weaponized in real-world attacks to drop cryptocurrency miners and ransomware payloads.

In at least two of the Windows-related incidents observed by cybersecurity vendor Sophos, adversaries exploited the vulnerability to deliver Cerber ransomware and a crypto miner called z0miner on victim networks.

The bug (CVE-2022-26134, CVSS score: 9.8), which was patched by Atlassian on June 3, 2022, enables an unauthenticated actor to inject malicious code that paves the way of remote code execution (RCE) on affected installations of the collaboration suite. All supported versions…

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