| Package | Affected versions | Patched versions |
|---|---|---|
| org.opennms:opennms | ≥ 1.0.0, < 27.1.1 | 27.1.1 |
| org.opennms:opennms-config | ≥ 1.0.0, < 27.1.1 | 27.1.1 |
| horizon | ≥ 1.0, < 27.1.1 | 27.1.1 |
| meridian | ≥ 2015.1.0, < 2019.1.19≥ 2020.1.0, < 2020.1.7 | 2019.1.192020.1.7 |
In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1 are vulnerable to CSRF, due to no CSRF protection, and since there is no validation of an existing user name while renaming a user. As a result, privileges of the renamed user are being overwritten by the old user and the old user is being deleted from the user list.
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