The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:Lπ΅
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L