Local File Inclusion Vulnerability in BigBlueButton by Big Blue Button Inc.
CVE-2020-12112

7.5HIGH

Key Information:

Vendor

Bigbluebutton

Status
Bigbluebutton
Vendor
CVE Published:
23 April 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-12112?

BigBlueButton versions prior to 2.2.5 are susceptible to a Local File Inclusion vulnerability, allowing remote attackers to exploit the application to obtain sensitive files from the server. This can lead to unauthorized access to potentially critical data, emphasizing the need for timely updates and vigilant security practices.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-12112
Created by tchenu

References

https://twitter.com/thibeault_chenu/status/12499765159174...
x_refsource_MISC
https://twitter.com/bigbluebutton/status/1252706369486180353
x_refsource_MISC
https://github.com/bigbluebutton/bigbluebutton/compare/v2...
x_refsource_MISC

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.