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CVE-2021-29621

MEDIUMCVSS 5.3/10EPSS 3.40%

Last modified

CVE-2021-29621 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Flask-AppBuilder is a development framework, built on top of Flask. User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. EPSS estimates a 3.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability
3.40%

87.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DpgasparFlask-Appbuilder<= 3.2.3
ApacheAirflow1.10.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 from the server when you are logging in. Upgrade to version 3.3.0 or higher to resolve.
How severe is CVE-2021-29621?
CVE-2021-29621 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 3.40% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29621?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29621?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST