CVE-2021-44420
HIGHCVSS 7.3/10EPSS 2.30%
Last modified
CVE-2021-44420 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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.. EPSS estimates a 2.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Djangoproject | Django | >= 2.2, < 2.2.25 |
| Djangoproject | Django | >= 3.1, < 3.1.14 |
| Djangoproject | Django | >= 3.2, < 3.2.10 |
| Redhat | Satellite | 6.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 21.04 |
| Canonical | Ubuntu Linux | 21.10 |
| Fedoraproject | Fedora | 35 |
References
- https://docs.djangoproject.com/en/3.2/releases/security/Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20211229-0006/Third Party Advisory
- https://www.djangoproject.com/weblog/2021/dec/07/security-releases/Patch, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2021/12/07/1Mailing List, Patch, Third Party Advisory
- https://docs.djangoproject.com/en/3.2/releases/security/Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20211229-0006/Third Party Advisory
- https://www.djangoproject.com/weblog/2021/dec/07/security-releases/Patch, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2021/12/07/1Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-44420?
CVE-2021-44420 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44420?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-44420?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST