CVE-2020-11580

An issue was discovered in Pulse Secure Pulse Connect Secure PCS through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, accepts an arbitrary SSL certificate...

SA44426 - 2020-04: Out-of-Cycle Advisory: Multiple Host Checker Vulnerabilities

Last Modified Date 24 Aug 2026 00:35:11...

CVE-2020-11580

CVE-2020-11580 affects Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06 where the tncc.jar applet on macOS/Linux/Solaris, under an enforced Host Checker policy, accepts arbitrary SSL certificates. This can enable a man-in-the-middle by bypassing certificate validation in the Host Checke...