CVE-2018-20810: Ivanti Connect Secure

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Session data between cluster nodes during cluster synchronization is not properly encrypted in Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.4RX before 5.4R2. This is not applicable to PCS 8.1RX, PPS 5.2RX, or stand-alone devices.

Affected products

• Ivanti Connect Secure: version 8.3 only
• Pulse Secure Pulse Policy Secure: version 5.4 only

Published 2019-06-28. Last modified 2026-06-17.