CVE-2020-14321

unknown

Published 2022-08-17 · Modified 2025-05-08

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

1.0

Description

Moodle Incorrect Authorization vulnerability

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_multi/http/moodle_teacher_enrollment_priv_esc_to_rce rank 400

Moodle Teacher Enrollment Privilege Escalation to RCE

Source fetch failed: fetch_error — view the original via the link above.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	moodle/moodle	`>=3.9.0-beta,<3.9.1`	`3.9.1`
Packagist	moodle/moodle	`>=3.8.0-beta,<3.8.4`	`3.8.4`
Packagist	moodle/moodle	`>=3.6.0-beta,<3.7.7`	`3.7.7`
Packagist	moodle/moodle	`<3.5.13`	`3.5.13`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.