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nvd[email protected]NVD:CVE-2021-35033
HistoryNov 23, 2021 - 10:15 p.m.

CVE-2021-35033

2021-11-2322:15:07
CWE-287
CWE-260
web.nvd.nist.gov

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 firmware with pre-configured password management could allow an attacker to obtain root access of the device, if the local attacker dismantles the device and uses a USB-to-UART cable to connect the device, or if the remote assistance feature had been enabled by an authenticated user.

Affected configurations

NVD
Node
zyxelnbg6818_firmwareRange<1.00\(absc.5\)c0
AND
zyxelnbg6818Match-
Node
zyxelnbg7815_firmwareRange<1.00\(absk.7\)c0
AND
zyxelnbg7815Match-
Node
zyxelwsq20_firmwareRange<1.00\(abof.11\)c0
AND
zyxelwsq20Match-
Node
zyxelwsq50_firmwareRange<2.20\(abkj.7\)c0
AND
zyxelwsq50Match-
Node
zyxelwsq60_firmwareRange<2.20\(abnd.8\)c0
AND
zyxelwsq60Match-
Node
zyxelwsr30_firmwareRange<1.00\(abmy.12\)c0
AND
zyxelwsr30Match-

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

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