description: The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.
problem types: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
affected:
{
vendor: Zyxel
product: ATP series firmware
versions:
version: 4.32 through 5.35, status: affected
}
{
vendor: Zyxel
product: USG FLEX series firmware
versions:
version: 4.50 through 5.35, status: affected
}
{
vendor: Zyxel
product: USG FLEX 50(W) firmware
versions:
version: 4.16 through 5.35, status: affected
}
{
vendor: Zyxel
product: USG20(W)-VPN firmware
versions:
version: 4.16 through 5.35, status: affected
}
{
vendor: Zyxel
product: VPN series firmware
versions:
version: 4.30 through 5.35, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
]