What is CVE-2019-20031?

CVE-2019-20031 is a critical-severity vulnerability in Nec Um4730, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.1/10. Published 2020-07-29.

How severe is CVE-2019-20031?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Nec Um4730

CVE-2019-20031

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.

EPSS: 0.010 (59.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Nec Um4730
Nec Um4730_firmware
Nec Um8000
Nec Um8000_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-20031?: CVE-2019-20031 is a critical-severity vulnerability in Nec Um4730, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.1/10. Published 2020-07-29.
How severe is CVE-2019-20031?: Critical severity. CVSS v3 base score is 9.1 out of 10.