CVE-2018-12423 — Synapse vulnerability

8 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 40.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Matrix Synapse
Timeline
PublishedJun 14
Latest updateMay 16

Description

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

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

â–¶NVDmatrix/synapse< 0.31.2

🔴Vulnerability Details

5
OSV
matrix-synapse vulnerabilities↗2023-05-16
â–¶
OSV
Matrix Synapse Authorization Error↗2022-05-13
â–¶
GHSA
Matrix Synapse Authorization Error↗2022-05-13
â–¶
CVEList
CVE-2018-12423: In Synapse before 0↗2018-06-14
â–¶
OSV
CVE-2018-12423: In Synapse before 0↗2018-06-14
â–¶

📋Vendor Advisories

2
Ubuntu
Synapse vulnerabilities↗2023-05-16
â–¶
Debian
CVE-2018-12423: matrix-synapse - In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m...↗2018
â–¶
CVE-2018-12423 — Matrix Synapse vulnerability | cvebase