Vulnerabilities > CVE-2019-20031 - Improper Restriction of Excessive Authentication Attempts vulnerability in NEC Um4730 Firmware and Um8000 Firmware

047910
CVSS 9.1 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
NONE
network
low complexity
nec
CWE-307
critical

Summary

NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.

Vulnerable Configurations

Part Description Count
OS
Nec
2
Hardware
Nec
2