CVE-2019-3602
CWE-79Published: May 15, 2019· Updated: Jun 17, 2026
Official Description
Cross Site Scripting (XSS) vulnerability in McAfee Network Security Manager (NSM) Prior to 9.1 Update 5 allows an authenticated administrator to embed an XSS in the administrator interface via a specially crafted custom rule containing HTML.
Technical Analysis
CVE-2019-3602 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-3602 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts