CVE-2020-29583
published 2020-12-22CVE-2020-29583: Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
KEVITWEXPLOIT
CISA Known Exploited Vulnerabilitydue 2022-05-03
Exploited in the wild
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.
Affected
30 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| zyxel | atp100_firmware | — | — |
| zyxel | atp100w_firmware | — | — |
| zyxel | atp200_firmware | — | — |
| zyxel | atp500_firmware | — | — |
| zyxel | atp700_firmware | — | — |
| zyxel | atp800_firmware | — | — |
| zyxel | usg1100_firmware | — | — |
| zyxel | usg110_firmware | — | — |
| zyxel | usg1900_firmware | — | — |
| zyxel | usg20-vpn_firmware | — | — |
| zyxel | usg20w-vpn_firmware | — | — |
| zyxel | usg210_firmware | — | — |
| zyxel | usg2200_firmware | — | — |
| zyxel | usg310_firmware | — | — |
| zyxel | usg40_firmware | — | — |
| zyxel | usg40w_firmware | — | — |
| zyxel | usg60_firmware | — | — |
| zyxel | usg60w_firmware | — | — |
| zyxel | usg_flex_100_firmware | — | — |
| zyxel | usg_flex_100w_firmware | — | — |
| zyxel | usg_flex_200_firmware | — | — |
| zyxel | usg_flex_500_firmware | — | — |
| zyxel | usg_flex_700_firmware | — | — |
| zyxel | vpn1000_firmware | — | — |
| zyxel | vpn100_firmware | — | — |
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
cisa9.8CRITICAL