What is CVE-2019-14258?

CVE-2019-14258 is a high-severity vulnerability in Zenoss, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2019-08-21.

How severe is CVE-2019-14258?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Zenoss

CVE-2019-14258

The XML-RPC subsystem in Zenoss 2.5.3 allows XXE attacks that lead to unauthenticated information disclosure via port 9988.

Vulnerability class: XXE (XML External Entity)

Published 2019-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Zenoss — versions 2.5.3

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.coalfire.com/The-Coalfire-Blog (Third Party Advisory)
www.coalfire.com/The-Coalfire-Blog/August-2019/Getting-more-from-a-compliance-t… (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2019-14258?: CVE-2019-14258 is a high-severity vulnerability in Zenoss, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2019-08-21.
How severe is CVE-2019-14258?: High severity. CVSS v3 base score is 7.5 out of 10.