Vulnerability Database

313,825

Total vulnerabilities in the database

CVE-2018-12423

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

  • Published: Jun 14, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-12423
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

No CWE or OWASP classifications available.