OS Command Injection in Nice Linear eMerge E3‑Series (CVE‑2019‑7256) Enables Remote Code Execution
What It Is – The Nice Linear eMerge E3‑Series digital‑signage platform contains an OS command‑injection flaw (CVE‑2019‑7256). An unauthenticated attacker can inject arbitrary shell commands, leading to remote code execution on the device.
Exploitability – No public exploit has been released, but the vulnerability is rated CVSS 3.1 9.8 (Critical) and can be weaponised with a crafted HTTP request.
Affected Products – Nice Linear eMerge E3‑Series hardware (all firmware versions prior to the vendor‑issued patch).
Why It Matters for Trust & Control Assurance
- Vulnerability Management – Demonstrates the need for a documented, continuously‑monitored patch‑management process that can be presented as audit evidence.
- Secure Configuration – Highlights gaps in baseline hardening; control owners must prove that devices are configured to reject unauthorized command execution.
- Defensible Evidence – Enterprises that can show timely remediation (e.g., patch applied, logs retained) satisfy a single VCF control objective that maps to many frameworks (NIST CSF Identify > Asset Management, Protect > Maintenance).
Recommended Actions
- Inventory all Nice eMerge E3 devices in your environment.
- Verify firmware version against the vendor’s advisory; apply the latest patch immediately.
- Enable logging of command‑execution attempts and forward logs to a SIEM for continuous monitoring.
- Map the remediation to the “Vulnerability Management” control area in your control framework and capture evidence in your Trust Center.
Source: CISA KEV – CVE‑2019‑7256