CVE-2018-16515

Name of the Vulnerable Software and Affected Versions Matrix Synapse versions prior to 0.33.3.1 Matrix Synapse version 0.33.2.1

Description The issue allows remote attackers to spoof events and possibly have other impacts by leveraging improper transaction and event signature validation.

Recommendations For Matrix Synapse versions prior to 0.33.3.1, update to version 0.33.3.1 or later. For Matrix Synapse version 0.33.2.1, update to version 0.33.3.1 or later.