4.3 - CVE-2020-27612

Executive Summary

Informations
Name	CVE-2020-27612	First vendor Publication	2020-10-21
Vendor	Cve	Last vendor Modification	2020-10-29

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score	4.3
Base Score	4.3	Environmental Score	4.3
impact SubScore	1.4	Temporal Score	4.3
Exploitabality Sub Score	2.8

Attack Vector	Network	Attack Complexity	Low
Privileges Required	Low	User Interaction	None
Scope	Unchanged	Confidentiality Impact	Low
Integrity Impact	None	Availability Impact	None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:N/A:N)
Cvss Base Score	4	Attack Range	Network
Cvss Impact Score	2.9	Attack Complexity	Low
Cvss Expoit Score	8	Authentication	Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27612

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-200	Information Exposure

CPE : Common Platform Enumeration

Type	Description	Count
Application	Bigbluebutton cpe:2.3:a:bigbluebutton:bigbluebutton::::::::	1

Sources (Detail)

Source	Url
MISC	https://docs.bigbluebutton.org/admin/privacy.html

Alert History

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Date	Informations
2021-05-04 13:51:58	Multiple Updates
2021-04-22 03:03:17	Multiple Updates
2020-11-01 17:23:02	Multiple Updates
2020-10-22 00:23:03	Multiple Updates
2020-10-21 21:23:37	First insertion