CVE-2019-3635

6.5 mediumEPSS 1.2%

Medium (6.5) in mcafee web gateway. EPSS 1.2% chance of exploitation in the next 30 days.

Exfiltration of Data in McAfee Web Gateway (MWG) 7.8.2.x prior to 7.8.2.12 allows attackers to obtain sensitive data via crafting a complex webpage that will trigger the Web Gateway to block the user accessing an iframe.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
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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