CVE-2020-12760
OpenNMS Horizon RCE via Unsafe Deserialization
8.8
HIGH
CVSS 3.1
EPSS 1.5%
Description
An issue was discovered in OpenNMS Horizon before 26.0.1, and Meridian before 2018.1.19 and 2019 before 2019.1.7. The ActiveMQ channel configuration allowed for arbitrary deserialization of Java objects (aka ActiveMQ Minion payload deserialization), leading to remote code execution for any authenticated channel user regardless of its assigned permissions.
How to fix CVE-2020-12760
To remediate CVE-2020-12760, upgrade the affected package to a fixed version below.
- —upgrade to 26.0.1 or later
Is CVE-2020-12760 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 26.0.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |