Auth bypass in Zohocorp Manageengine Firewall Analyzer

CVE-2026-84789

ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.710 and below were vulnerable to a Broken Access Control vulnerability that allowed an authenticated low-privilege user to create alert notifications for firewalls outside their assigned scope.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.014 (73.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-84789: rose from 0.006 to 0.014.

EPSS over last 30 days · oldest: 0.006 · newest: 0.014 · change: +0.008

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-84789?
CVE-2026-84789 is a high-severity vulnerability in Zohocorp Manageengine Firewall Analyzer, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-09-23.
How severe is CVE-2026-84789?
High severity. CVSS v3 base score is 7.1 out of 10.