9.8

CVE-2021-35029

An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.

Data is provided by the National Vulnerability Database (NVD)
Zyxel ≫ Usg1900 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg1900 Version-
Zyxel ≫ Usg1100 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg1100 Version-
Zyxel ≫ Usg310 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg310 Version-
Zyxel ≫ Usg210 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg210 Version-
Zyxel ≫ Usg110 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg110 Version-
Zyxel ≫ Usg40 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg40 Version-
Zyxel ≫ Usg40w Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg40w Version-
Zyxel ≫ Usg60 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg60 Version-
Zyxel ≫ Usg60w Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg60w Version-
Zyxel ≫ Usg300 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg300 Version-
Zyxel ≫ Usg1000 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg1000 Version-
Zyxel ≫ Usg2000 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg2000 Version-
Zyxel ≫ Usg20 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg20 Version-
Zyxel ≫ Usg20w Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg20w Version-
Zyxel ≫ Usg50 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg50 Version-
Zyxel ≫ Usg100 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg100 Version-
Zyxel ≫ Usg200 Firmware Version >= 4.35 <= 4.64
   Zyxel ≫ Usg200 Version-
Zyxel ≫ Usg Flex 100 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg Flex 100 Version-
Zyxel ≫ Usg Flex 200 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg Flex 200 Version-
Zyxel ≫ Usg Flex 500 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg Flex 500 Version-
Zyxel ≫ Usg Flex 100w Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg Flex 100w Version-
Zyxel ≫ Usg Flex 700 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg Flex 700 Version-
Zyxel ≫ Zywall Atp100 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Atp100 Version-
Zyxel ≫ Zywall Atp100w Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Atp100w Version-
Zyxel ≫ Zywall Atp200 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Atp200 Version-
Zyxel ≫ Zywall Atp500 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Atp500 Version-
Zyxel ≫ Zywall Atp700 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Atp700 Version-
Zyxel ≫ Zywall Atp800 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Atp800 Version-
Zyxel ≫ Zywall Vpn50 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Vpn50 Version-
Zyxel ≫ Zywall Vpn100 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Vpn100 Version-
Zyxel ≫ Zywall Vpn300 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall Vpn300 Version-
Zyxel ≫ Usg20-vpn Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg20-vpn Version-
Zyxel ≫ Usg20w-vpn Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg20w-vpn Version-
Zyxel ≫ Usg2200-vpn Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Usg2200-vpn Version-
Zyxel ≫ Zywall 110 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall 110 Version-
Zyxel ≫ Zywall 310 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall 310 Version-
Zyxel ≫ Zywall 1100 Firmware Version >= 4.35 <= 5.01
   Zyxel ≫ Zywall 1100 Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.71% 0.701
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
security@zyxel.com.tw 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.