Rapid7

vulnerability

Ubuntu: USN-6076-1 (CVE-2018-12423): Synapse vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Jun 14, 2018
Added
May 17, 2023
Modified
Mar 27, 2026

Description

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

Solution

ubuntu-pro-upgrade-matrix-synapse
Title
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