Description
openHAB before 2.5.2 allow a remote attacker to use REST calls to install the EXEC binding or EXEC transformation service and execute arbitrary commands on the system with the privileges of the user running openHAB. Starting with version 2.5.2 all commands need to be whitelisted in a local file which cannot be changed via REST calls.
Remediation
References
https://github.com/openhab/openhab-addons/commit/4c4cb664f2e2c3866aadf117d22fb54aa8dd0031
https://github.com/openhab/openhab-addons/security/advisories/GHSA-w698-693g-23hv