CVE-2019-20031

CVSS V2 Medium 6.4 CVSS V3 Critical 9.1

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.

Overview

CVE ID
CVE-2019-20031

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-07-29T18:15:13

Last Modified Date
2020-08-03T19:46:28

Weakness Enumerations

CWE	URL
CWE-307	http://cwe.mitre.org/data/definitions/307.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:nec:um8000_firmware::::::::	1	OR
cpe:2.3:h:nec:um8000:-:::::::*	0	OR
		AND
cpe:2.3:o:nec:um4730_firmware::::::::	1	OR
cpe:2.3:h:nec:um4730:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:P/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
6.4

Severity
MEDIUM

Exploitability Score
10

Impact Score
4.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

Reference URL	Reference Tags
https://shadytel.su/files/nec_cve.txt	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-20031
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20031

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:26:44				Added to TrackCVE
2022-12-04 20:24:47	2020-07-29T18:15Z	2020-07-29T18:15:13	CVE Published Date	updated
2022-12-04 20:24:48		2020-08-03T19:46:28	CVE Modified Date	updated
2022-12-04 20:24:48		Analyzed	Vulnerability Status	updated