description: Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.
problem types: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
affected:
{
vendor: Zyxel
product: ZyWALL/USG series firmware
versions:
version: 4.60 through 4.73, status: affected
}
{
vendor: Zyxel
product: VPN series firmware
versions:
version: 4.60 through 5.35, status: affected
}
{
vendor: Zyxel
product: USG FLEX series firmware
versions:
version: 4.60 through 5.35, status: affected
}
{
vendor: Zyxel
product: ATP series firmware
versions:
version: 4.60 through 5.35, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
]