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CVE-2019-20031

nvd nist
Published: Jul 29, 2020Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: NVD

Description

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.

Affected (2)

Nec
2 products
Um8000 Firmware
Um4730 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Um8000 Firmware
All versions
Running on/withPlatform Versions
Nec
Um8000
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Um4730 Firmware
All versions
Running on/withPlatform Versions
Nec
Um4730
All versions

Related CWEs

CWE-307
Improper Restriction of Excessive Authentication Attempts
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.

References (2)

Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.