title: Disable Zscaler using machine tunnel restart
description: An Improper Validation of Integrity Check Value in Zscaler Client Connector on Windows allows an authenticated user to disable ZIA/ZPA by interrupting the service restart from Zscaler Diagnostics. This issue affects Client Connector: before 4.2.0.149.
problem types: CWE-354 Improper Validation of Integrity Check Value
affected:
{
defaultStatus: unaffected
product: Client Connector
vendor: Zscaler
versions:
lessThan: 4.2.0.149, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: PHYSICAL
availabilityImpact: NONE
baseScore: 4.9
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL