Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-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 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.

Published

2022-03-28T13:15:07.747

Last Modified

2024-11-21T06:38:25.003

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-287
  • Type: Primary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zyxel usg40_firmware < 4.71 Yes
Hardware zyxel usg40 - No
Operating System zyxel usg40w_firmware < 4.71 Yes
Hardware zyxel usg40w - No
Operating System zyxel usg60_firmware < 4.71 Yes
Hardware zyxel usg60 - No
Operating System zyxel usg60w_firmware < 4.71 Yes
Hardware zyxel usg60w - No
Operating System zyxel zywall_110_firmware < 4.71 Yes
Hardware zyxel zywall_110 - No
Operating System zyxel zywall_310_firmware < 4.71 Yes
Hardware zyxel zywall_310 - No
Operating System zyxel zywall_1100_firmware < 4.71 Yes
Hardware zyxel zywall_1100 - No
Operating System zyxel usg_flex_100_firmware ≤ 5.20 Yes
Hardware zyxel usg_flex_100 - No
Operating System zyxel usg_flex_200_firmware ≤ 5.20 Yes
Hardware zyxel usg_flex_200 - No
Operating System zyxel usg_flex_500_firmware ≤ 5.20 Yes
Hardware zyxel usg_flex_500 - No
Operating System zyxel usg_flex_100w_firmware ≤ 5.20 Yes
Hardware zyxel usg_flex_100w - No
Operating System zyxel usg_flex_700_firmware ≤ 5.20 Yes
Hardware zyxel usg_flex_700 - No
Operating System zyxel atp100_firmware ≤ 5.20 Yes
Hardware zyxel atp100 - No
Operating System zyxel atp100w_firmware ≤ 5.20 Yes
Hardware zyxel atp100w - No
Operating System zyxel atp200_firmware ≤ 5.20 Yes
Hardware zyxel atp200 - No
Operating System zyxel atp500_firmware ≤ 5.20 Yes
Hardware zyxel atp500 - No
Operating System zyxel atp700_firmware ≤ 5.20 Yes
Hardware zyxel atp700 - No
Operating System zyxel atp800_firmware ≤ 5.20 Yes
Hardware zyxel atp800 - No
Operating System zyxel vpn50_firmware < 5.21 Yes
Hardware zyxel vpn50 - No
Operating System zyxel vpn100_firmware < 5.21 Yes
Hardware zyxel vpn100 - No
Operating System zyxel vpn300_firmware < 5.21 Yes
Hardware zyxel vpn300 - No
Operating System zyxel vpn1000_firmware < 5.21 Yes
Hardware zyxel vpn1000 - No
Operating System zyxel nsg300_firmware < 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Operating System zyxel nsg300_firmware 1.33 Yes
Hardware zyxel nsg300 - No
References