Command Injection in Cisco HyperFlex HX (CVE‑2021‑1498) Risks Remote Code Execution
What It Is – Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input‑validation flaw that allows an unauthenticated attacker to inject operating‑system commands that run as the tomcat8 user.
Exploitability – The vulnerability is publicly disclosed (CVE‑2021‑1498) and has a CVSS v3.1 base score of 8.8 (High). Exploit code is publicly available, making active exploitation feasible.
Affected Products – Cisco HyperFlex HX Data Platform (Installer VM).
Why It Matters for Trust & Control Assurance
- Highlights the need for a secure configuration and vulnerability‑management control that spans both on‑prem and cloud‑hosted infrastructure.
- Continuous monitoring of patch status provides defensible evidence for auditors and enterprise buyers demanding a demonstrable trust posture.
- Mapping remediation to a single control objective satisfies multiple frameworks (e.g., NIST CSF Identify/Protect, ISO 27001 A.12.6) in one audit artifact.
Recommended Actions
- Verify whether the HyperFlex HX Installer VM is deployed in your environment.
- Apply Cisco’s security patch (or upgrade to a fixed release) immediately.
- Record the remediation in your vulnerability‑management system and capture evidence (patch version, deployment date).
- Integrate the patch‑status feed into continuous control‑monitoring dashboards.
Source: CISA KEV – CVE‑2021‑1498