Is CVE-2016-4791 actively exploited?

No active exploitation of CVE-2016-4791 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2016-4791 be exploited remotely?

Yes. CVE-2016-4791 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2016-4791?

CVE-2016-4791 has a CVSS score of 8.6 (HIGH).

HOME VULNERABILITIESCVE-2016-4791

HIGH

CVE-2016-4791

NVD-CWE-noinfoPublished: May 26, 2016· Updated: Jun 17, 2026

8.6

CVSS v3.1

Official Description

The administrative user interface in Pulse Connect Secure (PCS) 8.2 before 8.2r1, 8.1 before 8.1r2, 8.0 before 8.0r9, and 7.4 before 7.4r13.4 allows remote administrators to enumerate files, read arbitrary files, and conduct server side request forgery (SSRF) attacks via unspecified vectors.

NVD Source

Technical Analysis

CVE-2016-4791 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 8.6.

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.