What is CVE-2021-38298?

CVE-2021-38298 is a critical-severity vulnerability in Zohocorp Manageengine Admanager Plus, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2021-10-07.

How severe is CVE-2021-38298?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Zohocorp Manageengine Admanager Plus

CVE-2021-38298

Zoho ManageEngine ADManager Plus before 7110 is vulnerable to blind XXE.

Vulnerability class: XXE (XML External Entity)

Published 2021-10-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Zohocorp Manageengine Admanager Plus — versions 7.1

Weakness classification (CWE)

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

References

www.manageengine.com/products/ad-manager/release-notes.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38298?: CVE-2021-38298 is a critical-severity vulnerability in Zohocorp Manageengine Admanager Plus, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2021-10-07.
How severe is CVE-2021-38298?: Critical severity. CVSS v3 base score is 9.8 out of 10.