Vulnerability in D2l Brightspace

CVE-2021-43129

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.

EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43129?
CVE-2021-43129 is a medium-severity vulnerability in D2l Brightspace. CVSS score: 6.5/10. Published 2022-04-19.
How severe is CVE-2021-43129?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-43129 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.