CVE-2021-43129 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
D2L	Brightspace	20.21.7

References

https://community.brightspace.com/s/article/retirement-notice-disable-right-clicVendor Advisory
https://github.com/Skotizo/CVE-2021-43129ExploitThird Party Advisory
https://www.d2l.com/learning-management-system-lms/Vendor Advisory
https://community.brightspace.com/s/article/retirement-notice-disable-right-clicVendor Advisory
https://github.com/Skotizo/CVE-2021-43129ExploitThird Party Advisory
https://www.d2l.com/learning-management-system-lms/Vendor Advisory

FAQ

What is CVE-2021-43129?

CVE-2021-43129 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2021-43129?

CVE-2021-43129 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43129?

Check the references section above for vendor advisories and patch information. Affected products include: D2L Brightspace.