Vulnerability Database

314,343

Total vulnerabilities in the database

CVE-2020-25630

A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk. This affects versions 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.

  • Published: Dec 8, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-25630
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
Composer icon moodle / moodle 3.8.0 3.8.5
Composer icon moodle / moodle 3.9.0 3.9.2
Composer icon moodle / moodle 3.7.0 3.7.8
Composer icon moodle / moodle 3.5.0 3.5.14