CVE-2018-20339
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms...
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms section.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms section.
- Record
CVE-2018-20339- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms section.
- Record
CVE-2018-20339- Updated
- 2026-11-02
EUVDEUVD-2018-12897 No score
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms section.
- Record
EUVD-2018-12897- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8pgr-x549-qhfg
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms...
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the Notes column of the Alarms section.
- Record
GHSA-8pgr-x549-qhfg- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20339 is a medium vulnerability (CVSS 6.1) in Zohocorp Manageengine Opmanager, published December 21, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.41%, the 84th percentile. No source names a fixed version.