CVE-2022-41963CWE-281

BigBlueButton contains Improper Preservation of Permissions for whiteboard

Low · published December 16, 2022

CVSS v3.1
2.7
EPSS
0%
Percentile
38.3
In the wild
Unconfirmed
What it is

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1

The record
Technical detail
CVSS v3.1
2.7 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00453 · 38.3th percentile
Weakness
CWE-281 · Improper Preservation of Permissions
Published
2022-12-16T13:00Z
EPSS history
Timeline
  • 16 DEC 13:00Z
    BigBlueButton contains Improper Preservation of Permissions for whiteboard
    cvelistv5