CVE-2018-6374

6.5 MEDIUM 0.6% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-01-31 21:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:01 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-01-31 21:29 UTC
Last modified: 2026-06-17 02:01 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-295 · Improper certificate validation
Record status: Modified

Affected

Pulsesecure Desktop Linux Client < 5.2r9.2
Pulsesecure Desktop Linux Client < 5.3r4.2

Attack profile CVSS 3.0 · 6.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: Low

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-6374.md and follow it. Check whether this project is affected by CVE-2018-6374. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record