Client Connector
CVE-2023-28805
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Connector: before 1.4.0.105
AnalysisAI
An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation.4.0.105. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation.4.0.105 Affected products include: Zscaler Client Connector. Version information: before 1.4.0.105.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
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Same weakness CWE-78 – OS Command Injection
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today