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MitreCVE-2019-20031

HistoryJul 29, 2020 - 6:15 p.m.

CVE-2019-20031

2020-07-2918:15:13

CWE-307

mitre

web.nvd.nist.gov

nec

um8000

um4730

voicemail

brute force attack

nvd

cve-2019-20031

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

9.1

Confidence

High

EPSS

0.002

Percentile

53.8%

JSON

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 configurations

Nvd

Node

necum8000_firmware

AND

necum8000Match-

Node

necum4730_firmware

AND

necum4730Match-

VendorProductVersionCPE
necum8000_firmware*cpe:2.3:o:nec:um8000_firmware:*:*:*:*:*:*:*:*
necum8000-cpe:2.3:h:nec:um8000:-:*:*:*:*:*:*:*
necum4730_firmware*cpe:2.3:o:nec:um4730_firmware:*:*:*:*:*:*:*:*
necum4730-cpe:2.3:h:nec:um4730:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nec	um8000_firmware	*	cpe:2.3:o:nec:um8000_firmware::::::::
nec	um8000	-	cpe:2.3:h:nec:um8000:-:::::::*
nec	um4730_firmware	*	cpe:2.3:o:nec:um4730_firmware::::::::
nec	um4730	-	cpe:2.3:h:nec:um4730:-:::::::*

References

shadytel.su/files/nec_cve.txt

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

9.1

Confidence

High

EPSS

0.002

Percentile

53.8%

JSON

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