High severity · published Mar 11, 2022
CVE-2021-32476
A denial-of-service risk was identified in the draft files area, due to it not respecting user file upload limits
7.5
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
before 3.5.18; 3.8.0 before 3.8.9; 3.9.0 before 3.9.7; 3.10.0 before 3.10.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32476
Patch
https://moodle.org/mod/forum/discuss.php?d=422310
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