7.5 - CVE-2020-29043

Executive Summary

Informations
Name	CVE-2020-29043	First vendor Publication	2020-11-26
Vendor	Cve	Last vendor Modification	2021-07-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score	7.5
Base Score	7.5	Environmental Score	7.5
impact SubScore	3.6	Temporal Score	7.5
Exploitabality Sub Score	3.9

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

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score	5	Attack Range	Network
Cvss Impact Score	2.9	Attack Complexity	Low
Cvss Expoit Score	10	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in BigBlueButton through 2.2.29. When at attacker is able to view an account_activations/edit?token= URI, the attacker can create an approved user account associated with an email address that has an arbitrary domain name.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29043

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	http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Valid... https://cxsecurity.com/issue/WLB-2020110211 https://github.com/bigbluebutton/bigbluebutton/releases

Alert History

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Date	Informations
2021-08-05 01:38:42	Multiple Updates
2021-07-21 17:23:11	Multiple Updates
2021-05-04 13:51:51	Multiple Updates
2021-04-22 03:03:27	Multiple Updates
2020-11-30 05:22:48	Multiple Updates
2020-11-29 00:22:46	Multiple Updates
2020-11-27 17:22:47	Multiple Updates
2020-11-26 21:23:22	First insertion