Cleo patches critical zero-day exploited in data theft attacks
Cleo has released security updates for a zero-day flaw in its LexiCom, VLTransfer, and Harmony software, currently exploited in data theft attacks. [...]
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Background for this topic.
A flaw is a defect in software, hardware, system design, or configuration that causes unintended behavior. In security reporting, the term usually means a weakness that could violate confidentiality, integrity, or availability when reached through a particular interface, input, privilege, or operating condition. Not every flaw is exploitable, and exploitability depends on factors such as exposure, authentication requirements, affected versions, and available mitigations.
Flaws matter because they can create attack paths in applications, operating systems, devices, APIs, or administrative settings. Security teams assess their severity and exposure, prioritize remediation, apply patches or configuration changes, and use isolation or access controls when immediate fixes are unavailable. Code review, testing, vulnerability scanning, and monitoring can reveal flaws across the development and operational lifecycle. Reports should distinguish a confirmed vulnerability from a theoretical defect and provide enough technical detail to support validation without unnecessarily enabling exploitation.
Cleo has released security updates for a zero-day flaw in its LexiCom, VLTransfer, and Harmony software, currently exploited in data theft attacks. [...]
US Bitcoin ATM operator Byte Federal has disclosed a data breach that exposed the data of 58,000 customers after its systems were breached using a GitLab vulnerability. [...]
Hackers are exploiting a critical vulnerability in the "Hunk Companion" plugin to install and activate other plugins with exploitable flaws directly from the WordPress.org repository. [...]
Today is Microsoft's December 2024 Patch Tuesday, which includes security updates for 71 flaws, including one actively exploited zero-day vulnerability. [...]
Hackers are actively exploiting a zero-day vulnerability in Cleo managed file transfer software to breach corporate networks and conduct data theft attacks. [...]
A flaw in OpenWrt's Attended Sysupgrade feature used to build custom, on-demand firmware images could have allowed for the distribution of malicious firmware packages. [...]