On Tuesday, January 14, 2025, a set of vulnerabilities were announced that affect the “rsync” utility. Rsync allows files and directories to be flexibly transferred locally and remotely. It is often used for deployments and backup purposes. In total, 6 vulnerabilities were announced to the OSS Security mailing list. The most severe vulnerability, CVE-2024-12084, may result in remote code execution. This post will cover how to detect and mitigate CVE-2024-12084.