How severe is CVE-2018-6374?

CVE-2018-6374 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2018-6374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6374?

CVE-2018-6374 affects Pulsesecure Desktop Linux Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6374?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-6374 published?

CVE-2018-6374 was published on 2018-01-31 and last updated on 2026-06-17.

CVE-2018-6374

CVE-2018-6374 is a medium-severity vulnerability in Pulsesecure Desktop Linux Client with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Pulsesecure Desktop Linux Client
Published: 2018-01-31
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-6374?: 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.
How severe is CVE-2018-6374?: CVE-2018-6374 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2018-6374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6374?: CVE-2018-6374 affects Pulsesecure Desktop Linux Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6374 published?: CVE-2018-6374 was published on 2018-01-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pulsesecure:desktop_linux_client:*:*:*:*:*:*:*:*

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