CVE-2020-19554: Cross Site Scripting (XSS) vulnerability exists in ManageEngine OPManager <=12.5.174 when the API key contains

Q: How do I fix CVE-2020-19554?

opmanager: upgrade to newer than 12.5.174. Exact commands for each OS are on this page.

Q: Is CVE-2020-19554 being exploited?

CVE-2020-19554 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-19554 affect?

CVE-2020-19554 affects opmanager. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability exists in ManageEngine OPManager <=12.5.174 when the API key contains an XML-based XSS payload.

Q: How urgent is CVE-2020-19554?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2020-19554 is a medium-severity flaw (CVSS 6.1) affecting opmanager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-09-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: manageengine

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-09-21 20:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

manageengine opmanager UPGRADE

Affected: <= 12.5.174

Fixed in: newer than 12.5.174

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy opmanager || rpm -q opmanager || opmanager --version

2. UPGRADE to newer than 12.5.174 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade opmanager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade opmanager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-19554?

opmanager: upgrade to newer than 12.5.174. Exact commands for each OS are on this page.

Is CVE-2020-19554 being exploited?

CVE-2020-19554 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-19554 affect?

CVE-2020-19554 affects opmanager. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability exists in ManageEngine OPManager <=12.5.174 when the API key contains an XML-based XSS payload.

How urgent is CVE-2020-19554?

Priority 33/100. No elevated risk signals yet.

Software pages

Zoho ManageEngine vulnerabilities

References

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