CVE-2019-3639

7.1 highEPSS 1.2%

High (7.1) in mcafee web gateway. EPSS 1.2% chance of exploitation in the next 30 days.

Clickjack vulnerability in Adminstrator web console in McAfee Web Gateway (MWG) 7.8.2.x prior to 7.8.2.12 allows remote attackers to conduct clickjacking attacks via a crafted web page that contains an iframe via does not send an X-Frame-Options HTTP header.

Severity

CVSS 3.0

7.1 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-1021
Published: 2019-08-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:web_gateway

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10293
https://kc.mcafee.com/corporate/index?page=content&id=SB10293

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