CVE-2022-0342
published 2022-03-28CVE-2022-0342: 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…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EXPLOIT
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
29 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| zyxel | atp100_firmware | 4.32 – 5.20 | — |
| zyxel | atp100w_firmware | 4.32 – 5.20 | — |
| zyxel | atp200_firmware | 4.32 – 5.20 | — |
| zyxel | atp500_firmware | 4.32 – 5.20 | — |
| zyxel | atp700_firmware | 4.32 – 5.20 | — |
| zyxel | atp800_firmware | 4.32 – 5.20 | — |
| zyxel | atp_series_firmware | — | — |
| zyxel | nsg300_firmware | — | — |
| zyxel | nsg300_firmware | >= 1.20 < 1.33 | 1.33 |
| zyxel | nsg_series_firmware | — | — |
| zyxel | usg40_firmware | >= 4.20 < 4.71 | 4.71 |
| zyxel | usg40w_firmware | >= 4.20 < 4.71 | 4.71 |
| zyxel | usg60_firmware | >= 4.20 < 4.71 | 4.71 |
| zyxel | usg60w_firmware | >= 4.20 < 4.71 | 4.71 |
| zyxel | usg_flex_100_firmware | 4.50 – 5.20 | — |
| zyxel | usg_flex_100w_firmware | 4.50 – 5.20 | — |
| zyxel | usg_flex_200_firmware | 4.50 – 5.20 | — |
| zyxel | usg_flex_500_firmware | 4.50 – 5.20 | — |
| zyxel | usg_flex_700_firmware | 4.50 – 5.20 | — |
| zyxel | usg_flex_series_firmware | — | — |
| zyxel | usg_zywall_series_firmware | — | — |
| zyxel | vpn1000_firmware | >= 4.30 < 5.21 | 5.21 |
| zyxel | vpn100_firmware | >= 4.30 < 5.21 | 5.21 |
| zyxel | vpn300_firmware | >= 4.30 < 5.21 | 5.21 |
| zyxel | vpn50_firmware | >= 4.30 < 5.21 | 5.21 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vulncheck9.8CRITICAL