Description
An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to modify the URL of the registration page in the web GUI of an affected device.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected products
- Zyxel / ATP series firmwareversions 4.32 through 5.37 – versions 4.32 through 5.37
- Zyxel / USG20(W)-VPN series firmwareversions 4.16 through 5.37 – versions 4.16 through 5.37
- Zyxel / USG FLEX 50(W) series firmwareversions 4.16 through 5.37 – versions 4.16 through 5.37
- Zyxel / USG FLEX series firmwareversions 4.50 through 5.37 – versions 4.50 through 5.37
- Zyxel / VPN series firmwareversions 4.30 through 5.37 – versions 4.30 through 5.37