Vulnerability Description
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Usg Flex 100W Firmware | >= 4.50, <= 5.30 |
| Zyxel | Usg Flex 100W | - |
| Zyxel | Usg Flex 200 Firmware | >= 4.50, <= 5.30 |
| Zyxel | Usg Flex 200 | - |
| Zyxel | Usg Flex 500 Firmware | >= 4.50, <= 5.30 |
| Zyxel | Usg Flex 500 | - |
| Zyxel | Usg Flex 700 Firmware | >= 4.50, <= 5.30 |
| Zyxel | Usg Flex 700 | - |
| Zyxel | Usg Flex 50W Firmware | >= 4.20, <= 5.30 |
| Zyxel | Usg Flex 50W | - |
| Zyxel | Usg20W-Vpn Firmware | >= 4.20, <= 5.30 |
| Zyxel | Usg20W-Vpn | - |
| Zyxel | Atp800 Firmware | >= 4.32, <= 5.30 |
| Zyxel | Atp800 | - |
| Zyxel | Atp700 Firmware | >= 4.32, <= 5.30 |
| Zyxel | Atp700 | - |
| Zyxel | Atp500 Firmware | >= 4.32, <= 5.30 |
| Zyxel | Atp500 | - |
| Zyxel | Atp200 Firmware | >= 4.32, <= 5.30 |
| Zyxel | Atp200 | - |
Related Weaknesses (CWE)
References
- https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-trVendor Advisory
- https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-trVendor Advisory
FAQ
What is CVE-2022-2030?
CVE-2022-2030 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 throug...
How severe is CVE-2022-2030?
CVE-2022-2030 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-2030?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Usg Flex 100W Firmware, Zyxel Usg Flex 100W, Zyxel Usg Flex 200 Firmware, Zyxel Usg Flex 200, Zyxel Usg Flex 500 Firmware.