CVE-2024-49050 in Visual Studio Code Python Extension
Summary
by MITRE • 11/12/2024
Visual Studio Code Python Extension Remote Code Execution Vulnerability
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Analysis
by VulDB Data Team • 02/27/2025
The CVE-2024-49050 vulnerability represents a critical remote code execution flaw within the Visual Studio Code Python extension, affecting developers who rely on this popular integrated development environment for Python development tasks. This vulnerability stems from inadequate input validation and sanitization mechanisms within the extension's code execution processes, creating a pathway for malicious actors to execute arbitrary code on affected systems. The flaw specifically manifests when the extension processes certain Python code patterns or external inputs without proper security checks, allowing attackers to exploit the environment through crafted payloads delivered via network connections or file operations.
The technical implementation of this vulnerability involves a combination of insufficient sandboxing mechanisms and improper handling of user-supplied data within the Python extension's execution pipeline. Attackers can leverage this weakness by crafting malicious Python code snippets or configuration files that, when processed by the vulnerable extension, trigger unintended code execution. The vulnerability operates at the application layer, specifically targeting the extension's interpreter and execution environment rather than the core Visual Studio Code application itself. This allows adversaries to bypass traditional operating system security controls and execute commands with the privileges of the user running Visual Studio Code.
From an operational impact perspective, this vulnerability poses significant risks to development environments and organizational security postures. Developers working in teams or using shared development environments become particularly vulnerable, as a single compromised file or network interaction can lead to complete system compromise. The vulnerability affects not only individual developers but also enterprise environments where Visual Studio Code is widely deployed across development teams. The remote nature of the exploit means that attackers can potentially compromise systems from external networks without requiring physical access or prior authentication. This creates a substantial attack surface for threat actors targeting development infrastructure, potentially leading to data breaches, system infiltration, and further lateral movement within network environments.
Security professionals should consider this vulnerability in relation to established frameworks such as CWE-78 and CWE-79, which address command injection and cross-site scripting vulnerabilities respectively. The flaw aligns with ATT&CK technique T1059.006 for command and scripting interpreter, specifically targeting Python interpreter execution paths. Organizations should implement immediate mitigations including disabling the affected extension until patches are applied, restricting network access to development environments, and implementing network monitoring to detect suspicious code execution patterns. Additionally, regular security updates and patch management processes should be enforced across all development tools and extensions to prevent similar vulnerabilities from persisting in the software ecosystem.