CVE-2023-36814
Products.CMFCore unauthenticated denial of service and crash via unchecked use of input with Python's marshal module
7.5
HIGH
CVSS 3.1
EPSS 0.29%
Description
Products.CMFCore are the key framework services for the Zope Content Management Framework (CMF). The use of Python's marshal module to handle unchecked input in a public method on `PortalFolder` objects can lead to an unauthenticated denial of service and crash situation. The code in question is exposed by all portal software built on top of `Products.CMFCore`, such as Plone. All deployments are vulnerable. The code has been fixed in `Products.CMFCore` version 3.2.
How to fix CVE-2023-36814
To remediate CVE-2023-36814, upgrade the affected package to a fixed version below.
- —upgrade to 3.2 or later
- —upgrade to 40f03f43a60f28ca9485c8ef429efef729be54e5 or later
Is CVE-2023-36814 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.0, < 3.2
- from 0, < 40f03f43a60f28ca9485c8ef429efef729be54e5 | from 0, < 3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| 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 |