CVE-2021-32473
MEDIUMCVSS 5.3/10EPSS 0.99%
Last modified
CVE-2021-32473 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. It was possible for a student to view their quiz grade before it had been released, using a quiz web service. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected. EPSS estimates a 0.99% chance of exploitation in the next 30 days.
Description
It was possible for a student to view their quiz grade before it had been released, using a quiz web service. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | < 3.5.18 |
| Moodle | Moodle | >= 3.8.0, < 3.8.9 |
| Moodle | Moodle | >= 3.9.0, < 3.9.7 |
| Moodle | Moodle | >= 3.10.0, < 3.10.4 |
References
- https://moodle.org/mod/forum/discuss.php?d=422307Patch, Vendor Advisory
- https://moodle.org/mod/forum/discuss.php?d=422307Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-32473?
It was possible for a student to view their quiz grade before it had been released, using a quiz web service. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected
How severe is CVE-2021-32473?
CVE-2021-32473 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32473?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-32473?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST