title: Linux ZCC allows unsigned updates, allowing elevated Code Execution
description: An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue affects Linux Client Connector: before 1.4.0.105
problem types: CWE-347 Improper Verification of Cryptographic Signature
affected:
{
defaultStatus: unaffected
product: Client Connector
vendor: Zscaler
versions:
lessThan: 1.4.0.105, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 8.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL