CVE-2018-12423

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Source
https://cve.org/CVERecord?id=CVE-2018-12423
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12423.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-12423
Aliases
Downstream
Published
2018-06-14T21:29:00.253Z
Modified
2026-03-14T14:32:15.941955Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/matrix-org/synapse

Affected ranges

Type
GIT
Repo
https://github.com/matrix-org/synapse
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
667c6546bdbb50c1b5a88effe02ae12322d0d95b
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.31.2"
        }
    ]
}

Affected versions

Other
alpha
v0.*
v0.0.0
v0.0.1
v0.1.0
v0.1.1
v0.1.2
v0.10.0
v0.10.0-r1
v0.10.0-r2
v0.10.0-rc1
v0.10.0-rc2
v0.10.0-rc3
v0.10.0-rc4
v0.10.0-rc5
v0.10.0-rc6
v0.10.1-rc1
v0.11.0
v0.11.0-r1
v0.11.0-r2
v0.11.0-rc1
v0.11.0-rc2
v0.11.1
v0.12.0
v0.12.0-rc1
v0.12.0-rc2
v0.12.0-rc3
v0.12.1-rc1
v0.13.0
v0.13.1
v0.13.2
v0.13.3
v0.14.0
v0.14.0-rc1
v0.14.0-rc2
v0.15.0-rc1
v0.16.0
v0.16.0-rc1
v0.16.0-rc2
v0.16.1
v0.16.1-r1
v0.16.1-rc1
v0.17.0
v0.17.0-rc1
v0.17.0-rc2
v0.17.0-rc3
v0.17.0-rc4
v0.17.1
v0.17.1-rc1
v0.17.2
v0.17.2-rc1
v0.17.3
v0.18.0
v0.18.0-rc1
v0.18.1
v0.18.1-rc1
v0.18.2
v0.18.2-rc1
v0.18.2-rc2
v0.18.2-rc3
v0.18.2-rc4
v0.18.2-rc5
v0.18.3
v0.18.4
v0.18.4-rc1
v0.18.5
v0.18.5-rc1
v0.18.5-rc2
v0.18.5-rc3
v0.18.6
v0.18.6-rc1
v0.18.6-rc2
v0.18.6-rc3
v0.18.7
v0.18.7-rc1
v0.18.7-rc2
v0.19.0
v0.19.0-rc1
v0.19.0-rc2
v0.19.0-rc3
v0.19.0-rc4
v0.19.1
v0.19.2
v0.19.3
v0.19.3-rc1
v0.19.3-rc2
v0.2.0
v0.2.1
v0.2.1a
v0.2.2
v0.2.3
v0.20.0
v0.20.0-rc1
v0.21.0
v0.21.0-rc1
v0.21.0-rc2
v0.21.0-rc3
v0.21.1
v0.22.0
v0.22.0-rc1
v0.22.0-rc2
v0.22.1
v0.23.0
v0.23.0-rc1
v0.23.0-rc2
v0.23.1
v0.24.0
v0.24.0-rc1
v0.24.1
v0.25.0
v0.25.0-rc1
v0.25.1
v0.26.0
v0.26.0-rc1
v0.26.1
v0.27.0
v0.27.0-rc1
v0.27.0-rc2
v0.27.1
v0.27.2
v0.27.3
v0.27.3-rc1
v0.27.3-rc2
v0.27.4
v0.28.0
v0.28.0-rc1
v0.28.1
v0.29.0
v0.29.0-rc1
v0.29.1
v0.3.0
v0.3.1
v0.3.2
v0.3.3
v0.3.4
v0.30.0
v0.30.0-rc1
v0.31.0
v0.31.0-rc1
v0.31.1
v0.4.1
v0.4.2
v0.5.0
v0.5.1
v0.5.2
v0.5.3
v0.5.3a
v0.5.3b
v0.5.3c
v0.5.4
v0.5.4a
v0.6.0
v0.6.0a
v0.6.0b
v0.6.1
v0.6.1a
v0.6.1b
v0.6.1c
v0.6.1d
v0.6.1e
v0.6.1f
v0.7.0
v0.7.0a
v0.7.0b
v0.7.0c
v0.7.0d
v0.7.0e
v0.7.0f
v0.7.1
v0.7.1-r1
v0.7.1-r2
v0.7.1-r3
v0.7.1-r4
v0.8.0
v0.8.1
v0.8.1-r1
v0.8.1-r2
v0.8.1-r3
v0.8.1-r4
v0.9.0
v0.9.0-r1
v0.9.0-r2
v0.9.0-r3
v0.9.0-r4
v0.9.0-r5
v0.9.1
v0.9.2
v0.9.2-r1
v0.9.2-r2
v0.9.3
v0.9.3-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12423.json"