{"cve":"CVE-2023-36814","nvd":{"published":"2023-07-03T17:15:09.393","modified":"2026-06-17T06:07:07.987","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429efef729be54e5","https://github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9x87","https://github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429efef729be54e5","https://github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9x87"],"products":["zope:products.cmfcore"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2023-36814","score":0.00723,"percentile":0.54028,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4hpj-8rhv-9x87","url":"https://osv.dev/vulnerability/GHSA-4hpj-8rhv-9x87","summary":"Products.CMFCore unauthenticated denial of service and crash via unchecked use of input with Python's marshal module","modified":"2026-09-10T03:50:08.494348851Z","packages":[{"ecosystem":"PyPI","name":"products-cmfcore","purl":"pkg:pypi/products-cmfcore","ranges":[">=3.0 <3.2"],"fixed":["3.2"]},{"ecosystem":"PyPI","name":"products-cmfcore","purl":"pkg:pypi/products-cmfcore","ranges":["<2.7.1"],"fixed":["2.7.1"]}]},{"id":"PYSEC-2023-113","url":"https://osv.dev/vulnerability/PYSEC-2023-113","summary":"","modified":"2025-10-09T08:26:16.655481Z","packages":[{"ecosystem":"PyPI","name":"products-cmfcore","purl":"pkg:pypi/products-cmfcore","ranges":["<3.2"],"fixed":["3.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}