CVEvulnerability
CVE-2018-12423
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-06-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Description
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
Affected configurations
• matrix synapse (< 0.31.2)
References
- https://bugs.debian.org/901549 Mailing List, Third Party Advisory
- https://github.com/matrix-org/matrix-doc/issues/1304 Third Party Advisory
- https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/ Vendor Advisory
- https://bugs.debian.org/901549 Mailing List, Third Party Advisory
- https://github.com/matrix-org/matrix-doc/issues/1304 Third Party Advisory
- https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/ Vendor Advisory