CVE-2019-3581

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

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.

Remediation

Solution:

  • Update to MWG 7.8.2.5 or 8.0.2

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.50%
Affected: McAfee McAfee Web Gateway
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2019-3581?
CVE-2019-3581 has been scored as a high severity vulnerability.
How to fix CVE-2019-3581?
To fix CVE-2019-3581: Update to MWG 7.8.2.5 or 8.0.2
Is CVE-2019-3581 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-3581 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-3581?
CVE-2019-3581 affects McAfee McAfee Web Gateway.
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