CVE-2020-28953
mediumpriority · track · 17EPSS 0.007 · 53 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.70% (53rd) EPSS
CVSS 4 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-28
In BigBlueButton before 2.2.29, a user can vote more than once in a single poll.
01
cvss
Technical severity, 0–10. One row per scoring source.
4.3
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4
02
weaknesses
The CWE weakness classes this flaw belongs to.
CWE-354USLLM-inferred
03
affected products (2)
Products and version ranges known to be affected.
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (7)
External citations — patches, advisories, analysis.
- https://github.com/bigbluebutton/bigbluebutton/commit/d2cb02b3bd670265c6b1ba003f87fc261e0ac3e1cnnvd
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-28953cnnvd
- https://github.com/bigbluebutton/bigbluebutton/commit/d2cb02b3bd670265c6b1ba003f87fc261e0ac3e1enisa_euvd
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29enisa_euvd
- https://github.com/bigbluebutton/bigbluebutton/commit/d2cb02b3bd670265c6b1ba003f87fc261e0ac3e1PatchThird Party Advisorynvd
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29Release NotesThird Party Advisorynvd
scry
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