CVE-2019-3581

7.5 highEPSS 2.3%

High (7.5) in mcafee mcafee web gateway. EPSS 2.3% chance of exploitation in the next 30 days.

Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows remote attackers to cause a denial of service via a crafted HTTP request parameter.

Severity

CVSS 3.0

7.5 high

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

EPSS: 2.3% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2019-01-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:mcafee_web_gateway

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10264
https://kc.mcafee.com/corporate/index?page=content&id=SB10264

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