How severe is CVE-2019-6140?

CVE-2019-6140 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-6140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6140?

CVE-2019-6140 primarily affects Forcepoint Email Security. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-6140 published?

CVE-2019-6140 was published on 2019-04-09 and last updated on 2026-06-17.

CVE-2019-6140

CVE-2019-6140 is a critical-severity vulnerability in Forcepoint Email Security with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Forcepoint Email Security
Published: 2019-04-09
Last modified: 2026-06-17

Description

A configuration issue has been discovered in Forcepoint Email Security 8.4.x and 8.5.x: the product is left in a vulnerable state if the hybrid registration process is not completed.

Frequently asked questions

What is CVE-2019-6140?: A configuration issue has been discovered in Forcepoint Email Security 8.4.x and 8.5.x: the product is left in a vulnerable state if the hybrid registration process is not completed.
How severe is CVE-2019-6140?: CVE-2019-6140 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-6140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6140?: CVE-2019-6140 primarily affects Forcepoint Email Security. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-6140 published?: CVE-2019-6140 was published on 2019-04-09 and last updated on 2026-06-17.

References

https://help.forcepoint.com/security/CVE/CVE-2019-6140.html

Affected products (2)

cpe:2.3:a:forcepoint:email_security:*:*:*:*:*:*:*:*
cpe:2.3:a:forcepoint:email_security:8.4:*:*:*:*:*:*:*

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