CVE-2021-29621
Observable Response Discrepancy in Flask-AppBuilder
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jun 7, 2021
- Updated
- Aug 3, 2024
- Reserved
- Mar 30, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | GitHub_M |
Weaknesses
- CWE-203 Observable Discrepancy
Affected Products
| Product | Versions |
|---|---|
Flask-AppBuilderdpgaspar |
|
References
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-434h-p4gx-jm89
- https://github.com/dpgaspar/Flask-AppBuilder/commit/780bd0e8fbf2d36ada52edb769477e0a4edae580
- https://pypi.org/project/Flask-AppBuilder/
- [announce] 20210618 Apache Airflow CVE: CVE-2021-29621: User enumeration in database authentication in Flask-AppBuilder <= 3.2.3.mailing-list
- [announce] 20210623 Success at Apache: Security in Practicemailing-list
- [airflow-commits] 20210712 [GitHub] [airflow] ashb commented on pull request #16942: Relax version constraint on ``Flask-Appbuilder``mailing-list
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