Is CVE-2017-3966 actively exploited?

No active exploitation of CVE-2017-3966 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-3966 be exploited remotely?

Yes. CVE-2017-3966 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-3966?

CVE-2017-3966 has a CVSS score of 6.4 (MEDIUM).

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MEDIUM

CVE-2017-3966

CWE-613Published: April 4, 2018· Updated: Jun 17, 2026

6.4

CVSS v3.1

Official Description

Exploitation of session variables, resource IDs and other trusted credentials vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows remote attackers to exploit or harm a user's browser via reusing the exposed session token in the application URL.

NVD Source

Technical Analysis

CVE-2017-3966 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.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.4.