CVSS v3
9.8
CRITICAL
EPSS Score
91.4 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2022-03-28
Frequently asked questions
What is 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.
Is CVE-2022-0342 actively exploited?
Active exploitation of CVE-2022-0342 has not been confirmed. The EPSS score is 91.4%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-0342?
CVE-2022-0342 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-0342 affecting your environment?
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