What’s Vulnerable › Vulnerabilities

CVE-2021-43129

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-19 · updated 2026-06-17

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.

Affected products

• D2L Brightspace: 20.21.7

References

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

Get alerted when CVE-2021-43129 or the next vulnerability affects your stack