CVE-2021-44420

django: potential bypass of an upstream access control based on URL paths

Severity Score

7.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

En Django versiones 2.2 anteriores a 2.2.25, versiones 3.1 anteriores a 3.1.14, y versiones 3.2 anteriores a 3.2.10, las peticiones HTTP para URLs con líneas nuevas al final podían omitir el control de acceso de la corriente principal basado en las rutas de las URLs

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-29 CVE Reserved
2021-12-07 CVE Published
2024-08-04 CVE Updated
2024-10-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-290: Authentication Bypass by Spoofing

CAPEC

References (8)

URL	Tag	Source
https://groups.google.com/forum/#%21forum/django-announce	X_refsource_misc
https://security.netapp.com/advisory/ntap-20211229-0006	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://docs.djangoproject.com/en/3.2/releases/security	2023-11-07
https://www.djangoproject.com/weblog/2021/dec/07/security-releases	2023-11-07
https://www.openwall.com/lists/oss-security/2021/12/07/1	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-44420	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=2028178	2023-02-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Djangoproject Search vendor "Djangoproject"		Django Search vendor "Djangoproject" for product "Django"				>= 2.2 < 2.2.25 Search vendor "Djangoproject" for product "Django" and version " >= 2.2 < 2.2.25"		-		Affected
Djangoproject Search vendor "Djangoproject"		Django Search vendor "Djangoproject" for product "Django"				>= 3.1 < 3.1.14 Search vendor "Djangoproject" for product "Django" and version " >= 3.1 < 3.1.14"		-		Affected
Djangoproject Search vendor "Djangoproject"		Django Search vendor "Djangoproject" for product "Django"				>= 3.2 < 3.2.10 Search vendor "Djangoproject" for product "Django" and version " >= 3.2 < 3.2.10"		-		Affected
Redhat Search vendor "Redhat"		Satellite Search vendor "Redhat" for product "Satellite"				6.0 Search vendor "Redhat" for product "Satellite" and version "6.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				21.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "21.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				21.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "21.10"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected