CVE-2020-9280
SilverStripe Folders migrated from 3.x may be unsafe to upload to
7.5
HIGH
CVSS 3.1
EPSS 0.39%
Description
In SilverStripe through 4.5, files uploaded via Forms to folders migrated from Silverstripe CMS 3.x may be put to the default "/Uploads" folder instead. This affects installations which allowed upload folder protection via the optional silverstripe/secureassets module under 3.x. This module is installed and enabled by default on the Common Web Platform (CWP). The vulnerability only affects files uploaded after an upgrade to 4.x.
How to fix CVE-2020-9280
To remediate CVE-2020-9280, upgrade the affected package to a fixed version below.
- —upgrade to 4.5.0 or later
- —upgrade to 1.4.7 or later
- —upgrade to 4.4.6 or later
- —upgrade to 5.4.2 or later
Is CVE-2020-9280 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- >= 4.0.0, < 4.5.0
- >= 1.0.0, < 1.4.7
- >= 4.0.0, < 4.4.6
- >= 5.0.0, < 5.4.2
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:H/I:N/A:N |