How severe is CVE-2016-3969?

CVE-2016-3969 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-2016-3969 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3969?

CVE-2016-3969 primarily affects Mcafee Email Gateway. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3969?

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

When was CVE-2016-3969 published?

CVE-2016-3969 was published on 2016-04-06 and last updated on 2026-06-17.

CVE-2016-3969

CVE-2016-3969 is a medium-severity vulnerability in Mcafee Email Gateway 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: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mcafee Email Gateway
Published: 2016-04-06
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in McAfee Email Gateway (MEG) 7.6.x before 7.6.404, when File Filtering is enabled with the action set to ESERVICES:REPLACE, allows remote attackers to inject arbitrary web script or HTML via an attachment in a blocked email.

Frequently asked questions

What is CVE-2016-3969?: Cross-site scripting (XSS) vulnerability in McAfee Email Gateway (MEG) 7.6.x before 7.6.404, when File Filtering is enabled with the action set to ESERVICES:REPLACE, allows remote attackers to inject arbitrary web script or HTML via an attachment in a blocked email.
How severe is CVE-2016-3969?: CVE-2016-3969 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-2016-3969 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3969?: CVE-2016-3969 primarily affects Mcafee Email Gateway. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3969?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3969 published?: CVE-2016-3969 was published on 2016-04-06 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:mcafee:email_gateway:7.6:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:email_gateway:7.6.1:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:email_gateway:7.6.2:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:email_gateway:7.6.3:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:email_gateway:7.6.4:*:*:*:*:*:*:*

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