Improper Authentication in ZyXEL Communications Corp. products - CVE-2022-0342
Published: March 30, 2022
Vulnerability identifier: #VU61723
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-0342
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ZyXEL Communications Corp.
Affected software:
USG series
USG FLEX series
VPN series
ZyWALL
NSG series
ATP series
USG series
USG FLEX series
VPN series
ZyWALL
NSG series
ATP series
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing authentication checks in the web interface. A remote attacker can bypass authentication process and obtain administrative access to the device.
How to mitigate CVE-2022-0342
Install updates from vendor's website.