Vulnerability · Published May 11, 2020 · Assigned by mitre

CVE-2020-12760

High 8.8

In plain English

A high-severity security flaw in the org.opennms.core:org.opennms.core.daemon package (Maven). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High

Exploit odds (30 days)3.5%top 10.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.opennms.core:org.opennms.core.daemon	26.0.1	GHSA-853f-x27w-8r74

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.opennms.com/en/blog/2020-04-29-opennms-horizon-26-0-1-luchador-released/ x_refsource_MISC
https://www.opennms.com/en/blog/2020-04-29-opennms-meridian-2019-1-6-europa-released/ x_refsource_MISC
https://www.opennms.com/en/blog/2020-04-29-opennms-meridian-2018-1-18-wildfire-released/ x_refsource_MISC
https://github.com/OpenNMS/opennms/releases/tag/opennms-26.0.1-1 x_refsource_MISC
https://issues.opennms.org/browse/NMS-12673 x_refsource_MISC