Resource exhaustion in Zope Products.cmfcore
CVE-2023-36814
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Zope Products.cmfcore
- Zopefoundation Products.cmfcore — versions < 3.2
Weakness classification (CWE)
References
- github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9… (Vendor Advisory)
- github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429ef… (Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-36814?
- CVE-2023-36814 is a high-severity vulnerability in Zope Products.cmfcore, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-07-03.
- How severe is CVE-2023-36814?
- High severity. CVSS v3 base score is 7.5 out of 10.