CVE-2022-0910
6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD
Description
A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.
Affected (32)
Products: Zyxel: Vpn100 Firmware, Vpn1000 Firmware, Vpn300 Firmware, Vpn50 Firmware, Atp100 Firmware, Atp100w Firmware, Atp200 Firmware, Atp500 Firmware, Atp700 Firmware, Atp800 Firmware, Usg 110 Firmware, Usg 1100 Firmware, Usg 1900 Firmware, Usg 20w Firmware, Usg 20w Vpn Firmware, Usg 2200 Vpn Firmware, Usg 310 Firmware, Usg 40 Firmware, Usg 40w Firmware, Usg 60 Firmware, Usg 60w Firmware, Usg Flex 100 Firmware, Usg Flex 100w Firmware, Usg Flex 200 Firmware, Usg Flex 500 Firmware, Usg Flex 700 Firmware, Usg200 Firmware, Usg20 Firmware, Usg210 Firmware, Usg2200 Firmware, Usg300 Firmware, Usg310 Firmware
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Vpn100 | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Vpn1000 | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Vpn300 | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Vpn50 | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Atp100 | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Atp100w | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Atp200 | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Atp500 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Atp700 | All versions |
Configuration J
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Atp800 | All versions |
Configuration K
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 110 | All versions |
Configuration L
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 1100 | All versions |
Configuration M
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 1900 | All versions |
Configuration N
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 20w | All versions |
Configuration O
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 20w Vpn | All versions |
Configuration P
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 2200 Vpn | All versions |
Configuration Q
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 310 | All versions |
Configuration R
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 40 | All versions |
Configuration S
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 40w | All versions |
Configuration T
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 60 | All versions |
Configuration U
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg 60w | All versions |
Configuration V
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.50 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg Flex 100 | All versions |
Configuration W
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.50 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg Flex 100w | All versions |
Configuration X
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.50 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg Flex 200 | All versions |
Configuration Y
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.50 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg Flex 500 | All versions |
Configuration Z
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.50 to 5.21 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg Flex 700 | All versions |
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg200 | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg20 | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg210 | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg2200 | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg300 | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.32 to 4.71 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Usg310 | All versions |
References (2)
Source: security@zyxel.com.tw
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Timeline
No history available yet.