{"cve":"CVE-2021-33509","nvd":{"published":"2021-05-21T22:15:08.537","modified":"2026-06-17T03:54:42.063","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9},"cwes":["CWE-732"],"references":["http://www.openwall.com/lists/oss-security/2021/05/22/1","https://plone.org/security/hotfix/20210518/writing-arbitrary-files-via-docutils-and-python-script","http://www.openwall.com/lists/oss-security/2021/05/22/1","https://plone.org/security/hotfix/20210518/writing-arbitrary-files-via-docutils-and-python-script"],"products":["plone:plone"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-33509","score":0.01979,"percentile":0.80534,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hm2p-fhwx-9285","url":"https://osv.dev/vulnerability/GHSA-hm2p-fhwx-9285","summary":"Incorrect Permission Assignment for Critical Resource\tin Plone","modified":"2024-10-18T22:02:05.982491Z","packages":[{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":["<5.2.5"],"fixed":["5.2.5"]}]},{"id":"PYSEC-2021-81","url":"https://osv.dev/vulnerability/PYSEC-2021-81","summary":"","modified":"2023-11-08T04:06:05.013899Z","packages":[{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":["<5.2.5"],"fixed":["5.2.5"]}]}],"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."]}