Improper Access Control in Azure Cosmos DB

Executive Summary

This vulnerability is an improper access control flaw in Azure Cosmos DB. It allows an unauthorized attacker to execute code remotely over a network without needing authentication or user interaction.

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Detection Guidance

Detection requires checking Azure Cosmos DB configurations and network access controls. Review firewall rules, authentication settings, and network exposure. Use Azure CLI commands like 'az cosmosdb list' and 'az cosmosdb show' to inspect database instances and their network security groups.

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Impact Analysis

An attacker could exploit this to gain full control over affected Azure Cosmos DB instances, leading to data theft, manipulation, or disruption of services. The high CVSS score indicates severe potential impact.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations may face compliance penalties.

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Mitigation Strategies

Apply the latest security patches from Microsoft for Azure Cosmos DB immediately. Review network access controls to restrict unauthorized access. Monitor for suspicious activity or unauthorized code execution attempts.

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