CVE-2021-43129

Public Exploit

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.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 4.85% Top 15%

Vendor Advisory brightspace.com Vendor Advisory d2l.com

Affected: n/a n/a

References

Link	Tags
https://www.d2l.com/learning-management-system-lms/	vendor advisory
https://github.com/Skotizo/CVE-2021-43129	third party advisory exploit
https://community.brightspace.com/s/article/retirement-notice-disable-right-click	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-43129?: CVE-2021-43129 has been scored as a medium severity vulnerability.
How to fix CVE-2021-43129?: To fix CVE-2021-43129, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43129 being actively exploited in the wild?: It is possible that CVE-2021-43129 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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