CVE-2022-0910
6.5 · MEDIUMOverview
CVE-2022-0910 is a medium-severity vulnerability affecting zyxel vpn100_firmware. It was published on May 24, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update vpn100_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zyxel | vpn100_firmware | 4.32 | Affected |
| zyxel | vpn1000_firmware | 4.32 | Affected |
| zyxel | vpn300_firmware | 4.32 | Affected |
| zyxel | vpn50_firmware | 4.32 | Affected |
| zyxel | atp100_firmware | 4.32 | Affected |
| zyxel | atp100w_firmware | 4.32 | Affected |
| zyxel | atp200_firmware | 4.32 | Affected |
| zyxel | atp500_firmware | 4.32 | Affected |
| zyxel | atp700_firmware | 4.32 | Affected |
| zyxel | atp800_firmware | 4.32 | Affected |
Frequently Asked Questions
What is CVE-2022-0910?
CVE-2022-0910 is a medium-severity vulnerability affecting zyxel vpn100_firmware. It was published on May 24, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2022-0910?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-0910?
Check the references section for vendor advisories and patches from zyxel. Update vpn100_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-0910?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-0910 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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