HOMEVULNERABILITIESCVE-2019-3665
MEDIUM

CVE-2019-3665

CWE-94Published: December 3, 2019· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

Code Injection vulnerability in the web interface in McAfee Web Advisor (WA) prior to 4.1.1.48 allows remote unauthenticated attacker to allow the browser to render a website which Web Advisor would normally have blocked via a carefully crafted web site.

NVD Source

Technical Analysis

CVE-2019-3665 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Vendors & Products

mcafee1 product(s)
webadvisor
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

Quick Facts

CVE IDCVE-2019-3665
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-94
CISA KEVNo
Affected1 vendor(s)
PublishedDec 3, 2019

Related CVEs (CWE-94)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-3665 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.