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Vulnerability record · CVE-2017-3898 · published 1 September 2017

CVE-2017-3898: Mcafee livesafe improper input validation vulnerability

MMcafee · Livesafe

A man-in-the-middle attack vulnerability in the non-certificate-based authentication mechanism in McAfee LiveSafe (MLS) versions prior to 16.0.3 allows network attackers to modify the Windows registry value associated with the McAfee update via the HTTP backend-response.

5.9 CVSS 3.0 Medium EPSS 3.2% · top 12.5% CWE-20 · Improper input validation
5.9CVSS 3.0 base score, v2 4.3
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A man-in-the-middle attack vulnerability in the non-certificate-based authentication mechanism in McAfee LiveSafe (MLS) versions prior to 16.0.3 allows network attackers to modify the Windows registry value associated with the McAfee update via the HTTP backend-response.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://service.mcafee.com/FAQDocument.aspx?lc=1033&id=TS102723 Vendor Advisory
http://service.mcafee.com/FAQDocument.aspx?lc=1033&id=TS102723 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-3898), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.