Vulnerability in Djangoproject Django
CVE-2021-44420
In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.025 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.025 · change: +0.002
Affected products
- Djangoproject Django
- Canonical Ubuntu Linux — versions 20.04, 21.04, 21.10
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35
- Red Hat Satellite — versions 6.0
Public proof-of-concept exploits
References
- groups.google.com/forum/
- docs.djangoproject.com/en/3.2/releases/security/ (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/12/07/1 (Patch, Mailing List, Third Party Advisory)
- www.djangoproject.com/weblog/2021/dec/07/security-releases/ (Patch, Vendor Advisory)
- security.netapp.com/advisory/ntap-20211229-0006/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-44420?
- CVE-2021-44420 is a high-severity vulnerability in Djangoproject Django. CVSS score: 7.3/10. Published 2021-12-08.
- How severe is CVE-2021-44420?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2021-44420 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.