How severe is CVE-2019-3670?

CVE-2019-3670 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-3670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3670?

CVE-2019-3670 primarily affects Mcafee Web Advisor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-3670?

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

When was CVE-2019-3670 published?

CVE-2019-3670 was published on 2020-02-24 and last updated on 2026-06-17.

CVE-2019-3670

CVE-2019-3670 is a high-severity vulnerability in Mcafee Web Advisor with a CVSS 3.x base score of 8.0. 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: High (CVSS 3.x base score 8.0)
CVSS v2: 4.3
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mcafee Web Advisor
Published: 2020-02-24
Last modified: 2026-06-17

Description

Remote Code Execution vulnerability in the web interface in McAfee Web Advisor (WA) 8.0.34745 and earlier allows remote unauthenticated attacker to execute arbitrary code via a cross site scripting attack.

Frequently asked questions

What is CVE-2019-3670?: Remote Code Execution vulnerability in the web interface in McAfee Web Advisor (WA) 8.0.34745 and earlier allows remote unauthenticated attacker to execute arbitrary code via a cross site scripting attack.
How severe is CVE-2019-3670?: CVE-2019-3670 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-3670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3670?: CVE-2019-3670 primarily affects Mcafee Web Advisor. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-3670?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-3670 published?: CVE-2019-3670 was published on 2020-02-24 and last updated on 2026-06-17.

References

https://service.mcafee.com/webcenter/portal/cp/home/articleview?articleId=TS103008

Affected products (2)

cpe:2.3:a:mcafee:web_advisor:*:*:*:*:*:chrome:*:*
cpe:2.3:a:mcafee:web_advisor:*:*:*:*:*:firefox:*:*

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