CVE-2020-25630
Moodle Denial of Service
7.5
HIGH
CVSS 3.1
EPSS 0.50%
Description
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.
How to fix CVE-2020-25630
To remediate CVE-2020-25630, upgrade the affected package to a fixed version below.
- —upgrade to 3.5.14 or later
- —upgrade to 3.9.2 or later
Is CVE-2020-25630 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.5.0, < 3.5.14, >= 3.7.0, < 3.7.8, >= 3.8.0, < 3.8.5, >= 3.9.0, < 3.9.2
- >= 3.9, < 3.9.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |