Observable Response Discrepancy in Flask-AppBuilder

TRUNG BÌNH 5.3CVE-2022-21659 · GHSA-wfjw-w6pv-8p7f · PYSEC-2022-24 · Công bố 31/01/2022 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2022-21659 là lỗ hổng mức TRUNG BÌNH (CVSS 5.3) ảnh hưởng flask-appbuilder, flask-appbuilder (dpgaspar).
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.95%, cao hơn 61.3% các lỗ hổng khác.
Cách xử lý: cập nhật lên 3.4.2, 3.4.4 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
flask-appbuilder PyPI	`< 3.4.2< 3.4.4`	`3.4.23.4.4`
flask-appbuilder dpgaspar	`< 3.4.2`	`3.4.2`

Mô tả

Impact

User enumeration in database authentication in Flask-AppBuilder < 3.4.4. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in.

Patches

Upgrade to 3.4.4

Workarounds

References

For more information

If you have any questions or comments about this advisory:

Open an issue in example link to repo
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Mô tả của NVD

Flask-AppBuilder is an application development framework, built on top of the Flask web framework. In affected versions there exists a user enumeration vulnerability. This vulnerability allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Users are advised to upgrade to version 3.4.4 as soon as possible. There are no known workarounds for this issue.