What’s Vulnerable › Vulnerabilities

CVE-2020-24584

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-01 · updated 2026-06-17
• Weakness: CWE-276

Description

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). The intermediate-level directories of the filesystem cache had the system's standard umask rather than 0o077.

Affected products

• Canonical Ubuntu Linux: 20.04
• Django: from 2.2 before 2.2.16; from 3.0 before 3.0.10; from 3.1 before 3.1.1 — fixed in 2.2.16, 3.0.10, 3.1.1
• Fedoraproject Fedora: 31, 32, 33
• Oracle Corporation Oracle ZFS Storage Appliance Kit: 8.8

How to fix

Upgrade to a fixed version: Django 2.2.16, 3.0.10, 3.1.1. Check the vendor advisory for mitigations.

References

• https://docs.djangoproject.com/en/dev/releases/security/
• https://groups.google.com/forum/#%21topic/django-announce/Gdqn58RqIDM
• https://groups.google.com/forum/#%21topic/django-announce/zFCMdgUnutU
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2ZHO3GZCJMP3DDTXCNVFV6ED3W64NAU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLGFFLMF3X6USMJD7V5F5P4K2WVUTO3T/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCRPQCBTV3RZHKVZ6K6QOAANPRZQD3GI/
• https://security.netapp.com/advisory/ntap-20200918-0004/
• https://usn.ubuntu.com/4479-1/
• https://www.djangoproject.com/weblog/2020/sep/01/security-releases/
• https://www.openwall.com/lists/oss-security/2020/09/01/2
• https://www.oracle.com/security-alerts/cpujan2021.html
• https://docs.djangoproject.com/en/dev/releases/security/

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