CVE-2018-12423

high

Description

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

References

https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/

https://github.com/matrix-org/matrix-doc/issues/1304

https://bugs.debian.org/901549

Details

Source: Mitre, NVD

Published: 2018-06-14

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High