AWS Patches Multiple Vulns in WorkSpaces, AppStream 2.0

Amazon Web Services (AWS) has recently fixed two major security vulnerabilities in its cloud services: Amazon WorkSpaces, Amazon AppStream 2.0, and Amazon DCV (Desktop Cloud Visualization).

Vulnerabilities CVE-2025-0500 and CVE-2025-0501 could let attackers conduct man-in-the-middle attacks and access remote sessions without permission.

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CVE-2025-0500 impacts certain versions of Amazon WorkSpaces native clients, Amazon AppStream 2.0, and Amazon DCV. It has a CVSS v4.0 score of 7.7, signifying high severity.

This vulnerability impacts various client versions across all the major platforms.

CVE-2025-0501 specifically targets Amazon WorkSpaces clients using the PCoIP protocol.

Amazon security experts found a vulnerability affecting Windows, macOS, Linux, and Android clients, which could allow unauthorized access to remote WorkSpaces sessions.

Technical Analysis:

For CVE-2025-0500: Users should upgrade to Amazon WorkSpaces client version 5.21.0 or later for Windows and macOS, and version 2024.2 or later for Linux. Amazon AppStream 2.0 users need version 1.1.1332 or later, and Amazon DCV users should update to version 2023.1.9127 or later.

For CVE-2025-0501: AWS advises to update to the latest Amazon WorkSpaces client for your operating system.

Security experts stress the need for immediate updates to client software for users and organizations. These vulnerabilities highlight the ongoing challenges of securing cloud services and remote work solutions.

With increasing cloud adoption, users should stay alert and regularly update their software to reduce security risks. AWS has informed customers about the end of support for affected versions and is closely monitoring the situation.