Vulnerability in Dpgaspar Flask-appbuilder
CVE-2021-29621
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 fr…
EPSS: 0.004 (62.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Dpgaspar Flask-appbuilder — versions < 3.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-434h-p4gx-jm89 (x_refsource_CONFIRM)
- github.com/dpgaspar/Flask-AppBuilder/commit/780bd0e8fbf2d36ada52edb769477e0a4ed… (x_refsource_MISC)
- pypi.org/project/Flask-AppBuilder/ (x_refsource_MISC)
- [announce] 20210618 Apache Airflow CVE: CVE-2021-29621: User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. (mailing-list, x_refsource_MLIST)
- [announce] 20210623 Success at Apache: Security in Practice (mailing-list, x_refsource_MLIST)
- [airflow-commits] 20210712 [GitHub] [airflow] ashb commented on pull request #16942: Relax version constraint on ``Flask-Appbuilder`` (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2021-29621?
- CVE-2021-29621 is a medium-severity vulnerability in Dpgaspar Flask-appbuilder, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2021-06-07.
- How severe is CVE-2021-29621?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-29621 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.