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.
problem types: CWE-269 Improper Privilege Management
affected:
{
defaultStatus: unaffected
product: ATP series firmware
vendor: Zyxel
versions:
status: affected, version: versions 4.32 through 5.37
}
{
defaultStatus: unaffected
product: USG FLEX series firmware
vendor: Zyxel
versions:
status: affected, version: versions 4.50 through 5.37
}
{
defaultStatus: unaffected
product: USG FLEX 50(W) series firmware
vendor: Zyxel
versions:
status: affected, version: versions 4.16 through 5.37
}
{
defaultStatus: unaffected
product:  USG20(W)-VPN series firmware
vendor: Zyxel
versions:
status: affected, version: versions 4.16 through 5.37
}
{
defaultStatus: unaffected
product: VPN series firmware
vendor: Zyxel
versions:
status: affected, version: versions 4.30 through 5.37
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 5.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL