XXE in Enghouse Contact Center\

CVE-2018-8940

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.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.016 (73.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-8940?
CVE-2018-8940 is a critical-severity vulnerability in Enghouse Contact Center\, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2019-05-14.
How severe is CVE-2018-8940?
Critical severity. CVSS v3 base score is 9.8 out of 10.