description: A privilege escalation vulnerability was identified in the CLI command 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 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
problem types: CWE-269: Improper Privilege Management
affected:
{
product: USG FLEX 100(W) firmware
vendor: Zyxel
versions:
status: affected, version: 4.50 through 5.30
}
{
product: USG FLEX 200 firmware
vendor: Zyxel
versions:
status: affected, version: 4.50 through 5.30
}
{
product: USG FLEX 500 firmware
vendor: Zyxel
versions:
status: affected, version: 4.50 through 5.30
}
{
product: USG FLEX 700 firmware
vendor: Zyxel
versions:
status: affected, version: 4.50 through 5.30
}
{
product: ATP series firmware
vendor: Zyxel
versions:
status: affected, version: 4.32 through 5.30
}
{
product: VPN series firmware
vendor: Zyxel
versions:
status: affected, version: 4.30 through 5.30
}
{
product: USG FLEX 50(W) firmware
vendor: Zyxel
versions:
status: affected, version: 4.16 through 5.30
}
{
product: USG 20(W)-VPN firmware
vendor: Zyxel
versions:
status: affected, version: 4.16 through 5.30
}
{
product: USG/ZyWALL series firmware
vendor: Zyxel
versions:
status: affected, version: 4.09 through 4.72
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]