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Observable Response Discrepancy in Flask-AppBuilder

Moderate
dpgaspar published GHSA-434h-p4gx-jm89 May 24, 2021

Package

pip Flask-AppBuilder (pip)

Affected versions

<=3.2.3

Patched versions

3.3.0

Description

Impact

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.

Patches

Upgrade to 3.3.0

Workarounds

References

For more information

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Severity

Moderate

CVE ID

CVE-2021-29621

Weaknesses