Improper Authentication in Flask-AppBuilder
CVE-2021-41265

8.8HIGH

Key Information:

Vendor

Dpgaspar

Status
Flask-appbuilder
Vendor
CVE Published:
9 December 2021

What is CVE-2021-41265?

Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints. Users should upgrade to Flask-AppBuilder 3.3.4 to receive a patch.

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Deploy the Patch

Affected Version(s)

Flask-AppBuilder < 3.3.4

References

https://github.com/dpgaspar/Flask-AppBuilder/security/adv...
x_refsource_CONFIRM
https://github.com/dpgaspar/Flask-AppBuilder/commit/eba51...
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https://github.com/dpgaspar/Flask-AppBuilder/releases/tag...
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CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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