An issue was discovered in Django 2.2 before 2.2.16, 3.0 before 3.0.10, and 3.1 before 3.1.1 (when Python 3.7+ is used). FILE_UPLOAD_DIRECTORY_PERMISSIONS mode was not applied to intermediate-level directories created in the process of uploading files. It was also not applied to intermediate-level collected static directories when using the collectstatic management command.
docs.djangoproject.com/en/dev/releases/security
github.com/django/django
github.com/django/django/commit/8d7271578d7b153435b40fe40236ebec43cbf1b9
groups.google.com/forum/#!topic/django-announce/Gdqn58RqIDM
groups.google.com/forum/#!topic/django-announce/zFCMdgUnutU
lists.fedoraproject.org/archives/list/[email protected]/message/F2ZHO3GZCJMP3DDTXCNVFV6ED3W64NAU
lists.fedoraproject.org/archives/list/[email protected]/message/OLGFFLMF3X6USMJD7V5F5P4K2WVUTO3T
lists.fedoraproject.org/archives/list/[email protected]/message/ZCRPQCBTV3RZHKVZ6K6QOAANPRZQD3GI
nvd.nist.gov/vuln/detail/CVE-2020-24583
security.netapp.com/advisory/ntap-20200918-0004
usn.ubuntu.com/4479-1
www.djangoproject.com/weblog/2020/sep/01/security-releases
www.openwall.com/lists/oss-security/2020/09/01/2
www.oracle.com/security-alerts/cpujan2021.html