Moderate severityNVD Advisory· Published Jun 7, 2021· Updated Aug 3, 2024
Observable Response Discrepancy in Flask-AppBuilder
CVE-2021-29621
Description
Flask-AppBuilder is a development framework, built on top of Flask. User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Upgrade to version 3.3.0 or higher to resolve.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Flask-AppBuilderPyPI | < 3.3.0 | 3.3.0 |
Affected products
3- osv-coords2 versions
>= 1.10.0, < 1.10.1+ 1 more
- (no CPE)range: >= 1.10.0, < 1.10.1
- (no CPE)range: < 3.3.0
- Range: < 3.3.0
Patches
Vulnerability mechanics
References
13- github.com/advisories/GHSA-434h-p4gx-jm89ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-29621ghsaADVISORY
- github.com/dpgaspar/Flask-AppBuilder/commit/780bd0e8fbf2d36ada52edb769477e0a4edae580ghsax_refsource_MISCWEB
- github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-434h-p4gx-jm89ghsax_refsource_CONFIRMWEB
- github.com/pypa/advisory-database/tree/main/vulns/flask-appbuilder/PYSEC-2021-90.yamlghsaWEB
- lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352%40%3Cannounce.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352@%3Cannounce.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r5b754118ba4e996adf03863705d34168bffec202da5c6bdc9bf3add5%40%3Cannounce.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/r5b754118ba4e996adf03863705d34168bffec202da5c6bdc9bf3add5@%3Cannounce.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r91067f953906d93aaa1c69fe2b5472754019cc6bd4f1ba81349d62a0%40%3Ccommits.airflow.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/r91067f953906d93aaa1c69fe2b5472754019cc6bd4f1ba81349d62a0@%3Ccommits.airflow.apache.org%3EghsaWEB
- pypi.org/project/Flask-AppBuilderghsaWEB
- pypi.org/project/Flask-AppBuilder/mitrex_refsource_MISC
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