Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2018-12423

Published: Jun 14, 2018 | Modified: Oct 03, 2019
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
LOW
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-12423
CWEhttps://cwe.mitre.org/data/definitions/.html

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

Affected Software

Name Vendor Start Version End Version
Synapse Matrix * 0.31.2 (excluding)
Matrix-synapse Ubuntu artful *
Matrix-synapse Ubuntu bionic *
Matrix-synapse Ubuntu esm-apps/bionic *
Matrix-synapse Ubuntu upstream *

References

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