CVE-2018-6374

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-01-31 · updated 2026-06-17
Weakness: CWE-295

Description

The GUI component (aka PulseUI) in Pulse Secure Desktop Linux clients before PULSE5.2R9.2 and 5.3.x before PULSE5.3R4.2 does not perform strict SSL Certificate Validation. This can lead to the manipulation of the Pulse Connection set.

Affected products

Pulsesecure Desktop Linux Client: before 5.2r9.2; before 5.3r4.2 — fixed in 5.2r9.2, 5.3r4.2

How to fix

Upgrade to a fixed version: Pulsesecure Desktop Linux Client 5.2r9.2, 5.3r4.2. Check the vendor advisory for mitigations.

References

http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43620
http://www.securityfocus.com/bid/102908
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43620
http://www.securityfocus.com/bid/102908

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