CVE-2019-20030: Nec UM8000 Firmware

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An attacker with knowledge of the modem access number on a NEC UM8000 voicemail system may use SSH tunneling or standard Linux utilities to gain access to the system's LAN port. All versions are affected.

Affected products

• Nec UM8000 Firmware: any version

Published 2020-07-29. Last modified 2026-06-17.