An improper access control vulnerability exists prior to v6 that could allow an attacker to break the E2E encryption of a chat room by a user changing the group key of a chat room.
https://hackerone.com/reports/1757663
Source: Mitre, NVD
Published: 2023-03-10
Updated: 2023-03-16
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N