description: A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.
problem types: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
affected:
{
product: USG/ZyWALL series firmware
vendor: Zyxel
versions:
status: affected, version: 4.35 through 4.70
}
{
product: USG FLEX series firmware
vendor: Zyxel
versions:
status: affected, version: 4.50 through 5.20
}
{
product: ATP series firmware
vendor: Zyxel
versions:
status: affected, version: 4.35 through 5.20
}
{
product: VPN series firmware
vendor: Zyxel
versions:
status: affected, version: 4.35 through 5.20
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.8
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
version: 3.1
]