GHSA-434h-p4gx-jm89

    Dashboard / Vulnerabilities / GHSA-434h-p4gx-jm89

    GHSA-434h-p4gx-jm89

    Published: 27 May 2021Last Modified: 8 Jul 2026

    Summary: Observable Response Discrepancy in Flask-AppBuilder

    Details: ### 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 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Flask-AppBuilder](https://github.com/dpgaspar/Flask-AppBuilder)

    References: https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-434h-p4gx-jm89, https://nvd.nist.gov/vuln/detail/CVE-2021-29621, https://github.com/dpgaspar/Flask-AppBuilder/commit/780bd0e8fbf2d36ada52edb769477e0a4edae580, https://github.com/dpgaspar/Flask-AppBuilder, https://github.com/pypa/advisory-database/tree/main/vulns/flask-appbuilder/PYSEC-2021-90.yaml, https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352%40%3Cannounce.apache.org%3E, https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352@%3Cannounce.apache.org%3E, https://lists.apache.org/thread.html/r5b754118ba4e996adf03863705d34168bffec202da5c6bdc9bf3add5%40%3Cannounce.apache.org%3E, https://lists.apache.org/thread.html/r5b754118ba4e996adf03863705d34168bffec202da5c6bdc9bf3add5@%3Cannounce.apache.org%3E, https://lists.apache.org/thread.html/r91067f953906d93aaa1c69fe2b5472754019cc6bd4f1ba81349d62a0%40%3Ccommits.airflow.apache.org%3E, https://lists.apache.org/thread.html/r91067f953906d93aaa1c69fe2b5472754019cc6bd4f1ba81349d62a0@%3Ccommits.airflow.apache.org%3E, https://pypi.org/project/Flask-AppBuilder

    Affected packages

    Package

    Name: flask-appbuilder

    Purl: pkg:pypi/flask-appbuilder

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.3.0

    Affected versions

    0.1.10
    0.1.11
    0.1.12
    0.1.13
    0.1.14
    0.1.15
    0.1.16
    0.1.17
    0.1.18
    0.1.19
    0.1.20
    0.1.21
    0.1.22
    0.1.23
    0.1.24
    0.1.25
    0.1.26
    0.1.27
    0.1.28
    0.1.29
    0.1.3
    0.1.33
    0.1.34
    0.1.35
    0.1.36
    0.1.37
    0.1.38
    0.1.4
    0.1.43
    0.1.44
    0.1.45
    0.1.46
    0.1.47
    0.1.5
    0.1.6
    0.1.7
    0.1.8
    0.1.9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-434h-p4gx-jm89 | CVE-DB