CVE-2023-34298: Ivanti Pulse Secure Desktop Client

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

Pulse Secure Client SetupService Directory Traversal Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Pulse Secure Client. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within SetupService. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service. Was ZDI-CAN-17687.

Affected products

• Ivanti Pulse Secure Desktop Client: before 9.1 (fixed in 9.1); version 9.1 only
• Ivanti Pulse Secure Installer Service: version 9.1 only; version 22.4.1439 only
• Ivanti Secure Access Client: version 22.2 only; version 22.3 only

Published 2024-05-03. Last modified 2026-06-17.