#VU50814 Input validation error in Django - CVE-2021-23336

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Main Vulnerability Database Vulnerabilities #VU50814

#VU50814 Input validation error in Django - CVE-2021-23336

Published: February 19, 2021


Vulnerability identifier: #VU50814
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-23336
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Django
Software vendor:
Django Software Foundation

Description

The vulnerability allows a remote attacker to perform web cache spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in django.utils.http.limited_parse_qsl() when parsing strings with a semicolon (";"). A remote attacker can pass specially crafted data to the application and perform a spoofing attack.


Remediation

Install updates from vendor's website.

External links