CVE-2020-8254: Pulse Secure Desktop Client

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

A vulnerability in the Pulse Secure Desktop Client < 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC.

Affected products

• Pulse Secure Pulse Secure Desktop Client: before 9.1 (fixed in 9.1); version 9.1 only

Published 2020-10-28. Last modified 2026-06-17.