What is CVE-2020-19554?

CVE-2020-19554 is a medium-severity vulnerability in Manageengine Opmanager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-21.

How severe is CVE-2020-19554?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Manageengine Opmanager

CVE-2020-19554

Cross Site Scripting (XSS) vulnerability exists in ManageEngine OPManager <=12.5.174 when the API key contains an XML-based XSS payload.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Manageengine Opmanager

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.manageengine.com/network-monitoring/help/read-me-complete.html (Vendor Advisory)

Frequently asked questions

What is CVE-2020-19554?: CVE-2020-19554 is a medium-severity vulnerability in Manageengine Opmanager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-21.
How severe is CVE-2020-19554?: Medium severity. CVSS v3 base score is 6.1 out of 10.