How severe is CVE-2019-6146?

CVE-2019-6146 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-6146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6146?

CVE-2019-6146 affects Forcepoint Web Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6146?

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

When was CVE-2019-6146 published?

CVE-2019-6146 was published on 2020-01-22 and last updated on 2026-06-17.

CVE-2019-6146

CVE-2019-6146 is a medium-severity vulnerability in Forcepoint Web Security with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Forcepoint Web Security
Published: 2020-01-22
Last modified: 2026-06-17

Description

It has been reported that cross-site scripting (XSS) is possible in Forcepoint Web Security, version 8.x, via host header injection. CVSSv3.0: 5.3 (Medium) (/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Frequently asked questions

What is CVE-2019-6146?: It has been reported that cross-site scripting (XSS) is possible in Forcepoint Web Security, version 8.x, via host header injection. CVSSv3.0: 5.3 (Medium) (/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
How severe is CVE-2019-6146?: CVE-2019-6146 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-6146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6146?: CVE-2019-6146 affects Forcepoint Web Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6146 published?: CVE-2019-6146 was published on 2020-01-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:forcepoint:web_security:*:*:*:*:*:*:*:*

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