High severityNVD Advisory· Published Dec 9, 2021· Updated Aug 4, 2024
Improper Authentication in Flask-AppBuilder
CVE-2021-41265
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Flask-AppBuilderPyPI | < 3.3.4 | 3.3.4 |
Affected products
2- Range: < 3.3.4
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-m3rf-7m4w-r66qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-41265ghsaADVISORY
- github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbcghsax_refsource_MISCWEB
- github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4ghsax_refsource_MISCWEB
- github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66qghsax_refsource_CONFIRMWEB
- github.com/pypa/advisory-database/tree/main/vulns/flask-appbuilder/PYSEC-2021-851.yamlghsaWEB
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