CVE-2021-41265

Advisory

Flask-AppBuilder 3.3.4 includes a fix for CVE-2021-41265: Versions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints.
https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints. Users should upgrade to Flask-AppBuilder 3.3.4 to receive a patch. See CVE-2021-41265.


CONFIRM:https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q: https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q
MISC:https://github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbc: https://github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbc
MISC:https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4: https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4

Resources

• https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q
• https://github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbc
• https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41265