CVE-2022-1706 in Ignition
Summary
by MITRE • 05/17/2022
A vulnerability was found in Ignition where ignition configs are accessible from unprivileged containers in VMs running on VMware products. This issue is only relevant in user environments where the Ignition config contains secrets. The highest threat from this vulnerability is to data confidentiality. Possible workaround is to not put secrets in the Ignition config.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 06/28/2026
The vulnerability identified as CVE-2022-1706 represents a critical information disclosure flaw within the Ignition configuration system used in VMware virtual machine environments. This weakness allows unprivileged container processes to access ignition configuration files that contain sensitive data, fundamentally compromising the security boundaries between containerized applications and the underlying virtual machine infrastructure. The vulnerability specifically affects systems where Ignition configurations are deployed in VMware products, creating a direct pathway for unauthorized data access that bypasses normal privilege separation mechanisms.
The technical flaw stems from inadequate access controls within the Ignition configuration handling process, where configuration files containing secrets are exposed to unprivileged containers without proper authorization checks. This represents a violation of the principle of least privilege and demonstrates a failure in the virtualization security model to maintain proper isolation between container processes and sensitive configuration data. The vulnerability manifests when Ignition configurations are processed within VMware virtual environments, where container processes can directly access or enumerate the configuration files that would normally be restricted to privileged users or system processes.
From an operational impact perspective, this vulnerability creates significant risks to data confidentiality and can potentially lead to credential exposure, system compromise, and unauthorized access to sensitive infrastructure components. Attackers can exploit this weakness to extract secrets, passwords, and other sensitive information that may be embedded within the Ignition configuration files, potentially enabling further attacks against the broader infrastructure. The threat is particularly severe in environments where sensitive operational data is stored in configuration files, as this vulnerability directly enables unauthorized data exfiltration without requiring additional attack vectors or privilege escalation techniques.
Organizations affected by this vulnerability should implement immediate mitigations including the removal of secrets from Ignition configurations and the deployment of additional access controls to restrict container access to sensitive data. The recommended workaround of avoiding secret storage in Ignition configurations aligns with security best practices and helps prevent the exposure of sensitive information through configuration management systems. Security teams should also consider implementing monitoring solutions to detect unauthorized access attempts to configuration files and establish more robust container isolation mechanisms. This vulnerability highlights the importance of proper privilege management in virtualized environments and underscores the need for comprehensive security testing of containerized applications within virtual infrastructure. The issue demonstrates a clear violation of the security principle that sensitive data should remain protected even when running within containerized environments, and aligns with common attack patterns documented in the MITRE ATT&CK framework under privilege escalation and credential access categories.