Is CVE-2018-8940 actively exploited?

No active exploitation of CVE-2018-8940 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-8940 be exploited remotely?

Yes. CVE-2018-8940 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-8940?

CVE-2018-8940 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-8940

CRITICAL

CVE-2018-8940

CWE-611Published: May 14, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

ClientServiceConfigController.cs in Enghouse Cloud Contact Center Platform 7.2.5 has functionality for loading external XML files and parsing them, allowing an attacker to upload a malicious XML file and reference it in the URL of the application, forcing the application to load and parse the malicious XML file, aka an XXE issue.

NVD Source

Technical Analysis

CVE-2018-8940 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.