CVE-2018-20810

Name: CVE-2018-20810
Creator: NVD / NIST
Published: 2019-06-28T18:15:11.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.77%

Last modified Jun 17, 2026

CVE-2018-20810 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.77%

75.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions	Update
Ivanti	Connect Secure	8.3	R1
Pulsesecure	Pulse Policy Secure	5.4	R1

References

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/Vendor Advisory

Timeline

Published: Jun 28, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20810?

How severe is CVE-2018-20810?

Severity scoring for CVE-2018-20810 is pending analysis. The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20810?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20810?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST