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Insights from the Field
Security analysis, platform hardening strategies, and lessons learned from real-world assessments.


From Guest to Infrastructure: Understanding the Risks in VMSA-2025-0015
Introduction On September 29, 2025, VMware (via Broadcom) published VMSA-2025-0015, which addresses three vulnerabilities in VMware Aria Operations and VMware Tools (CVE-2025-41244, CVE-2025-41245, CVE-2025-41246). This is the initial publication of the advisory. It rates these issues as Important / High severity, with CVSSv3 base scores ranging from 4.9 to 7.8. Affected products include VMware Aria Operations, VMware Tools, VMware Cloud Foundation, VMware Telco Cloud Platfor

Demetrios Mustakas Jr.
Sep 30, 2025


Inside VMSA-2025-0013: Critical Vulnerabilities in VMware ESXi, Workstation, Fusion, and Tools
What is it? On July 15, 2025, Broadcom released VMSA-2025-0013, disclosing multiple critical vulnerabilities impacting VMware ESXi, Workstation, Fusion, and VMware Tools. These issues include three memory safety flaws that may lead to code execution on the host system, and one information disclosure issue resulting from uninitialized memory usage in vSockets. All four vulnerabilities were discovered through the Pwn2Own competition and responsibly reported to Broadcom. Patches

Demetrios Mustakas Jr.
Jul 15, 2025


Inside VMSA-2025-0010: What It Reveals About Trust, Privilege, and Hidden Risks in vSphere
Introduction On May 20, 2025, Broadcom (formerly VMware) released VMSA-2025-0010, a security advisory disclosing a set of newly discovered vulnerabilities affecting a wide range of VMware products, including vCenter Server, ESXi, Workstation, and Fusion. Unlike prior advisories that often spotlight a single critical issue, this release details four distinct vulnerabilities, each posing different operational and security implications depending on the platform and deployment. A

Demetrios Mustakas Jr.
May 22, 2025
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