What is CVE-2021-32476?

CVE-2021-32476 is a high-severity vulnerability in Moodle, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-03-11.

How severe is CVE-2021-32476?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-32476 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Moodle

CVE-2021-32476

A denial-of-service risk was identified in the draft files area, due to it not respecting user file upload limits. Moodle versions 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: 0.011 (61.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Moodle
N/a Moodle — versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

jev770/badmoodle-scan

References

secalert@redhat.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-32476?: CVE-2021-32476 is a high-severity vulnerability in Moodle, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-03-11.
How severe is CVE-2021-32476?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-32476 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.