What’s Vulnerable › Vulnerabilities

CVE-2021-27075: Azure Virtual Machine Information Disclosure Vulnerability

• Severity: low (CVSS 2.7 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-11 · updated 2026-08-19

Description

Azure Virtual Machine Information Disclosure Vulnerability

Affected products

• Microsoft Azure Container Instances: all versions
• Microsoft Azure Container Registry: all versions
• Microsoft Azure Kubernetes Service: all versions
• Microsoft Azure Service Fabric for Linux: all versions
• Microsoft Azure Spring Apps: all versions
• Microsoft Azure Container Instance: all versions
• Microsoft Azure Kubernetes Service: from 1.0 before publication — fixed in publication
• Microsoft Azure Service Fabric for Linux: all versions
• Microsoft Azure Spring Apps: all versions

How to fix

Upgrade to a fixed version: Microsoft Azure Kubernetes Service publication. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27075
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27075

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