CVE-2021-33509: Incorrect Permission Assignment for Critical Resource in Plone

June 15, 2021 (updated October 18, 2024)

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.

References

github.com/advisories/GHSA-hm2p-fhwx-9285
github.com/plone/Plone
github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-81.yaml
nvd.nist.gov/vuln/detail/CVE-2021-33509
plone.org/security/hotfix/20210518/writing-arbitrary-files-via-docutils-and-python-script

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