CVE-2021-20282 Moodle Bypass email verification secret when confirming account registration

What is CVE-2021-20282?

CVE-2021-20282 is a medium-severity authentication bypass vulnerability in Fedoraproject Fedora, published on 15 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When creating a user account, it was possible to verify the account without having access to the verification email link/secret in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Weakness: CWE-863

Which versions are affected by CVE-2021-20282?

9 open source packages ship an affected version, including moodle/moodle and moodle. It affects 2 products.

Products include Fedoraproject Fedora, Moodle Moodle.

How do I fix CVE-2021-20282?

Upgrade moodle/moodle to a fixed version for your release line: 3.10.2, 3.5.17, 3.8.8 or 3.9.5.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-20282 being exploited?

There is no known exploitation of CVE-2021-20282 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-moodle-2021-20282, GHSA-grj4-g57c-9xmv, UBUNTU-CVE-2021-20282.