CVE-2021-32086 Quest CVE debrief

Who should care

IT administrators and security professionals responsible for Quest KACE Systems Management Appliance (SMA) 11.0.273, as well as organizations using this appliance for system management, should be aware of this vulnerability and take immediate action to secure their systems.

Technical summary

CVE-2021-32086 is a critical vulnerability in Quest KACE Systems Deployment Appliance (SMA) 11.0.273. The appliance uses a hardcoded symmetric encryption key for secrets in MySQL databases, which is not unique to each installation. An attacker gaining access to the MySQL server or backup files can decrypt these secrets, potentially leading to privilege escalation within KACE or access to unrelated systems or services. The CVSS score for this vulnerability is 9.8, indicating a critical severity level.

Defensive priority

Organizations using Quest KACE Systems Management Appliance (SMA) 11.0.273 should prioritize immediate action to secure their systems, focusing on updating or patching the appliance to prevent exploitation.

Recommended defensive actions

• Inventory and assess the vulnerability of Quest KACE Systems Management Appliance (SMA) 11.0.273 within your environment.
• Apply patches or updates provided by Quest to address the hardcoded symmetric encryption key issue.
• Implement compensating controls, such as monitoring and restricting access to MySQL servers and backup files.
• Review and update security configurations to prevent privilege escalation within KACE and to unrelated systems or services.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE-2021-32086 issue involves a hardcoded symmetric encryption key used in Quest KACE Systems Deployment Appliance (SMA) 11.0.273 for encrypting secrets in MySQL databases. This key is not unique to each installation, allowing an attacker with access to the MySQL server or backup files to decrypt secrets. These decrypted secrets can be used to escalate privileges within KACE or gain access to unrelated systems or services. Evidence from official sources, including the CVE record and NVD detail, confirms the critical nature of this vulnerability.

Official resources