Vulnerability CVE-2021-43129
Published: 2022-04-19

Description:
A bypass exists for Desire2Learn/D2L Brightspace??s ??Disable Right Click? option in the quizzing feature, which allows a quiz-taker to access print and copy functionality via the browser??s right click menu even when ??Disable Right Click? is enabled on the quiz.

Type:

CWE-668

 (Exposure of Resource to Wrong Sphere)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
D2L -> Brightspace 

 References:
https://github.com/Skotizo/CVE-2021-43129
https://www.d2l.com/learning-management-system-lms/
https://community.brightspace.com/s/article/retirement-notice-disable-right-click
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