CVE-2019-3581

McAfee Web Gateway denial of service attack due to Improper Input Validation

View on CVE.org

Published Jan 9, 2019 CVSS 3.0 · 7.5 High EPSS 2.3% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

McAfee

McAfee Web Gateway

affected

Version	Status	Constraints
`7.8.2`	affected	< 7.8.2*
`7.8.2.5`	affected	< 7.8.2.5
`8.0`	affected	< 8.0*
`8.0.2`	affected	< 8.0.2

Configuration 1 [-]

OR	cpe:2.3:a:mcafee:mcafee_web_gateway::::::::
	cpe:2.3:a:mcafee:mcafee_web_gateway::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Update to MWG 7.8.2.5 or 8.0.2

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2019-13216	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.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.3% (2.268% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Mcafee Mcafee Web Gateway

Weaknesses

CWE-20

Sources

CVE record Updated: Aug 4, 2024, 7:12 PM

Status: PUBLISHED
Assigner: trellix
Published: Jan 9, 2019, 2:00 PM
Updated: Aug 4, 2024, 7:12 PM
Reserved: Jan 3, 2019, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:35 AM

Status: Modified
Published: Jan 9, 2019, 2:29 PM
Modified: Jun 17, 2026, 2:35 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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