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nvd[email protected]NVD:CVE-2020-28953
HistoryNov 19, 2020 - 10:15 p.m.

CVE-2020-28953

2020-11-1922:15:13
web.nvd.nist.gov
3
bigbluebutton
multiple votes
single poll
security vulnerability

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

AI Score

4.7

Confidence

High

EPSS

0.001

Percentile

19.4%

In BigBlueButton before 2.2.29, a user can vote more than once in a single poll.

Affected configurations

Nvd
Node
bigbluebuttonbigbluebuttonRange<2.2.29
VendorProductVersionCPE
bigbluebuttonbigbluebutton*cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

AI Score

4.7

Confidence

High

EPSS

0.001

Percentile

19.4%

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