PT-2020-17070 · Bigbluebutton · Bigbluebutton

Published 2020-11-19 · Updated 2021-07-21 · CVE-2020-28953

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions BigBlueButton versions prior to 2.2.29

Description The issue allows a user to vote more than once in a single poll.

Recommendations For versions prior to 2.2.29, update to version 2.2.29 or later to resolve the issue.

Fix

Related Identifiers

CVE-2020-28953

Affected Products

Bigbluebutton

References · 6

• https://github.com/bigbluebutton/bigbluebutton/commit/d2cb02b3bd670265c6b1ba003f87fc261e0ac3e1 · Patch
• https://osv.dev/vulnerability/CVE-2020-28953 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28953 · Security Note
• https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29 · Note
• https://t.me/cibsecurity/16644 · Telegram Post
• https://t.me/cvenotify/5894 · Telegram Post