CVE-2022-0342

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2022-0342
  • Assigner
  • security@zyxel.com.tw
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-28T13:15:07
  • Last Modified Date
  • 2022-04-04T17:27:58
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:usg40_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg40w_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg60_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg60w_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_110_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_310_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_1100_firmware:*:*:*:*:*:*:*:* 1 OR 4.20 4.71
cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.20
cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.20
cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.20
cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.20
cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.20
cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.20
cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.20
cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.20
cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.20
cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.20
cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.20
cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.21
cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.21
cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.21
cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn1000_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.21
cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:nsg300_firmware:*:*:*:*:*:*:*:* 1 OR 1.20 1.33
cpe:2.3:o:zyxel:nsg300_firmware:1.33:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:zyxel:nsg300_firmware:1.33:p4:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:nsg300:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.zyxel.com/support/Zyxel-security-advisory-for-authentication-bypass-vulnerability-of-firewalls.shtml
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-0342
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0342
History
Created Old Value New Value Data Type Notes
2022-04-04 00:41:34 Added to TrackCVE
2022-12-06 13:25:09 2022-03-28T13:15Z 2022-03-28T13:15:07 CVE Published Date updated
2022-12-06 13:25:09 2022-04-04T17:27:58 CVE Modified Date updated
2022-12-06 13:25:09 Analyzed Vulnerability Status updated