CVE-2021-33509
Incorrect Permission Assignment for Critical Resource in Plone
9.9
CRITICAL
CVSS 3.1
EPSS 0.85%
Description
Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted keyword arguments to the ReStructuredText transform in a Python script.
How to fix CVE-2021-33509
To remediate CVE-2021-33509, upgrade the affected package to a fixed version below.
- PyPI/plone—upgrade to 5.2.5 or later
- —upgrade to 5.2.5 or later
Is CVE-2021-33509 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.2.5
- from 0, < 5.2.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |