CVE-2021-32476: moodle
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-32476
Published 11-03-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-32476 is a high (CVSS 7.5) vulnerability in moodle. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 65% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-03-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.09%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.09% on 21-09-2026
21-09-202621-10-2026
EPSS score1.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Moodle1 product
- moodle< 3.5.18 | ≥ 3.8.0, < 3.8.9 | ≥ 3.9.0, < 3.9.7 | ≥ 3.10.0, < 3.10.4
Ubuntu1 product
- moodleAll versions (No fix recorded)
2 vendors · 2 products