CVE-2022-0342
critical-risk
Published 2022-03-28
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.
Do I need to act?
!
92.4% chance of exploitation in next 30 days
EPSS score — higher than 8% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (2)
73
/ 100
critical-risk
Severity
32/34 · Critical
Exploitability
20/34 · Moderate
Exposure
21/34 · High