CVE-2022-0342

Published: Mar 28, 2022Modified: Nov 21, 2024

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG series firmware versions V1.20 through V1.33 Patch 4, which could allow an attacker to bypass the web authentication and obtain administrative access of the device.

Affected (25)

Products: Zyxel: Usg40 Firmware, Usg40w Firmware, Usg60 Firmware, Usg60w Firmware, Zywall 110 Firmware, Zywall 310 Firmware, Zywall 1100 Firmware, Usg Flex 100 Firmware, Usg Flex 200 Firmware, Usg Flex 500 Firmware, Usg Flex 100w Firmware, Usg Flex 700 Firmware, Atp100 Firmware, Atp100w Firmware, Atp200 Firmware, Atp500 Firmware, Atp700 Firmware, Atp800 Firmware, Vpn50 Firmware, Vpn100 Firmware, Vpn300 Firmware, Vpn1000 Firmware, Nsg300 Firmware

23 products

Usg Flex 100 Firmware

Usg Flex 200 Firmware

Usg Flex 500 Firmware

Usg Flex 100w Firmware

Usg Flex 700 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg40 Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Usg40	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg40w Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Usg40w	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg60 Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Usg60	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg60w Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Usg60w	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall 110 Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Zywall 110	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall 310 Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Zywall 310	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall 1100 Firmware	From 4.20 to 4.71

Running on/with	Platform Versions
Zyxel Zywall 1100	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 100 Firmware	From 4.50 to 5.20

Running on/with	Platform Versions
Zyxel Usg Flex 100	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 200 Firmware	From 4.50 to 5.20

Running on/with	Platform Versions
Zyxel Usg Flex 200	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 500 Firmware	From 4.50 to 5.20

Running on/with	Platform Versions
Zyxel Usg Flex 500	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 100w Firmware	From 4.50 to 5.20

Running on/with	Platform Versions
Zyxel Usg Flex 100w	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 700 Firmware	From 4.50 to 5.20

Running on/with	Platform Versions
Zyxel Usg Flex 700	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Atp100 Firmware	From 4.32 to 5.20

Running on/with	Platform Versions
Zyxel Atp100	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Atp100w Firmware	From 4.32 to 5.20

Running on/with	Platform Versions
Zyxel Atp100w	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Atp200 Firmware	From 4.32 to 5.20

Running on/with	Platform Versions
Zyxel Atp200	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Atp500 Firmware	From 4.32 to 5.20

Running on/with	Platform Versions
Zyxel Atp500	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Atp700 Firmware	From 4.32 to 5.20

Running on/with	Platform Versions
Zyxel Atp700	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Atp800 Firmware	From 4.32 to 5.20

Running on/with	Platform Versions
Zyxel Atp800	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Vpn50 Firmware	From 4.30 to 5.21

Running on/with	Platform Versions
Zyxel Vpn50	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Vpn100 Firmware	From 4.30 to 5.21

Running on/with	Platform Versions
Zyxel Vpn100	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Vpn300 Firmware	From 4.30 to 5.21

Running on/with	Platform Versions
Zyxel Vpn300	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Vpn1000 Firmware	From 4.30 to 5.21

Running on/with	Platform Versions
Zyxel Vpn1000	All versions

Configuration W

3 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Nsg300 Firmware	From 1.20 to 1.33
Zyxel Nsg300 Firmware	Version 1.33
Zyxel Nsg300 Firmware	Version 1.33 p4

Running on/with	Platform Versions
Zyxel Nsg300	All versions

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (2)

https://www.zyxel.com/support/Zyxel-security-advisory-for-authentication-bypass-vulnerability-of-firewalls.shtml

Source: security@zyxel.com.tw

Vendor Advisory

https://www.zyxel.com/support/Zyxel-security-advisory-for-authentication-bypass-vulnerability-of-firewalls.shtml

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.